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DK22096C
(en)
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Procedure for the production of hollow stones of concrete or other material.
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ES63328A1
(en)
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Procedure for making reinforced concrete constructions.
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DK21113C
(en)
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Procedure and Form for Manufacturing Cement Stone.
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DK26520C
(en)
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Procedure for Manufacturing Ships of Reinforced Concrete.
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DK26756C
(en)
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Procedure for Manufacturing Ships of Reinforced Concrete.
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DK23341C
(en)
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Procedure for the Manufacture of Reinforced Concrete Vessels.
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DK23572C
(en)
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Procedure for the manufacture of hulls of reinforced concrete.
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CH68126A
(en)
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Shaped stone for the production of reinforced hollow concrete ceilings
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ES64995A1
(en)
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A provision for the manufacture of posts and building stones, of concrete.
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DK16478C
(en)
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Procedure for the production of granite or similar stone mortar.
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DK21683C
(en)
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Hollow Brick Making Machine.
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DK23554C
(en)
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Procedure for the production of hollow articles of pulp.
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DK18894C
(en)
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Procedure for the production of artificial lithographic stones.
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DK21278C
(en)
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Insulating backfill bodies for the manufacture of concrete, reinforced concrete and brick structures.
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DK19964C
(en)
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Procedure for the manufacture of concrete or reinforced concrete piles.
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DK22365C
(en)
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Cement roof making machine and the like.
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DK22531C
(en)
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Cement roof making machine and the like.
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DK21136C
(en)
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Procedure for the manufacture of Portland cement.
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FR487949A
(en)
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Reinforced concrete slabs
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DK29197C
(en)
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Machine for the manufacture of pipes of cement and the like.
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DK17296C
(en)
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Procedure and Form for the manufacture of cork insulation stones and building construction parts.
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DK22474C
(en)
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Building stone.
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DK26164C
(en)
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Building stone.
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DK23382C
(en)
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Apparatus for the manufacture of piles or building blocks of concrete.
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DK25315C
(en)
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Machine for the production of hollow glass objects.
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