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DK17320C
(en)
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Procedure for the production of artificial stones from natural stone waste.
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DK17177C
(en)
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Procedure for the production of artificial stone.
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DK14775C
(en)
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Procedure for the production of artificial stone.
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FR468907A
(en)
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Artificial horizon
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DK16028C
(en)
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Procedure for the production of artificial stone.
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DK20541C
(en)
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Procedure for the production of artificial stone.
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CH59347A
(en)
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Artificial paving stone
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DK18894C
(en)
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Procedure for the production of artificial lithographic stones.
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DK20158C
(en)
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Apparatus for the manufacture of cement piles.
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DK19366C
(en)
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Procedure for the production of artificial stone and the like of peat fibers.
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DK17581C
(en)
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Procedure for Making Artificial Lithographic Stone.
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CH47915A
(en)
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Artificial stone
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ES55235A1
(en)
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A procedure for the manufacture of artificial stones.
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DK17787C
(en)
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Method of Making Cement.
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DK17131C
(en)
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Machine for the production of slate and the like.
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CH65870A
(en)
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Artificial stone wall
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CH59611A
(en)
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Artificial stone
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DK24927C
(en)
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Procedure for the Production of Cyanides.
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AU675612B
(en)
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Process for the production of artificial stones from natural rock wastes
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ES47395A1
(en)
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A procedure for the manufacture of artificial stones.
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ES51972A1
(en)
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A procedure for the manufacture of artificial stones.
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DK16844C
(en)
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Procedure for the production of an artificial material of woody waste materials.
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CA150314A
(en)
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Artificial stone
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CA155701A
(en)
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Artificial stone
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ES55692A1
(en)
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A procedure for the manufacture of artificial lithographic stones.
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