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DK7476C
(en)
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Procedure for the manufacture of bricks and similar building materials.
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DK6736C
(en)
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Procedure for the manufacture of cladding on walls and ceilings.
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FR371049A
(en)
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Coffered ceiling, concrete
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CH33311A
(en)
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Building block
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FR369494A
(en)
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Concrete ceiling
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CH34572A
(en)
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|
Concrete ceiling
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DK6822C
(en)
|
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Procedure for Manufacturing Building Blocks.
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FR4563E
(en)
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|
Slab reinforced brick ceiling
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FR6718E
(en)
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Slab reinforced brick ceiling
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DK7784C
(en)
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|
Flat, hollow ceilings and hollow walls of concrete beams with iron inserts.
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FR371000A
(en)
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|
Cement bricks with holes
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CH34342A
(en)
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|
Concrete iron ceiling
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FR11149E
(en)
|
|
Reinforced brick ceiling
|
|
FR341291A
(en)
|
|
Reinforced brick ceiling
|
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CH33175A
(en)
|
|
Building board
|
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FR7425E
(en)
|
|
Reinforced brick constructions
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FR354844A
(en)
|
|
Concrete pipe
|
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DK5733C
(en)
|
|
Procedure for the production of stone and mortar.
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AT23157B
(en)
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|
Concrete beams.
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DK6419C
(en)
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|
Procedure for the manufacture of Portland cement.
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CH31620A
(en)
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|
Mortar
|
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CH30035A
(en)
|
|
Reinforced concrete ceiling
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|
CH33870A
(en)
|
|
Reinforced concrete ceiling
|
|
DK7870C
(en)
|
|
Concrete iron ceiling.
|
|
CH30292A
(en)
|
|
Ceiling plate
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