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DK3103C
(en)
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Machine for making roof tiles of cement and the like.
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DK3517C
(en)
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Distribution gutter for masonry materials.
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CH20838A
(en)
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Roof tiles
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DK3691C
(en)
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Cement roof tiles with associated sealing seams or strips.
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DK3211C
(en)
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Procedure for Making Artificial Gypsum Stone.
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DK3058C
(en)
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Press for the manufacture of cement roofing sheets with tapping between the covering strips.
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DK3039C
(en)
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Procedure for the manufacture of lime silicate stone.
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DK4439C
(en)
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Procedure for the manufacture of Portland cement.
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DK2969C
(en)
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Procedure for Dry Leaching of Lime.
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DK2902C
(en)
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Procedure for the production of stone from lime and sand.
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DK3292C
(en)
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Procedure for hardening limestone sandstone.
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DK3611C
(en)
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Procedure for hardening limestone sandstone.
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CH19814A
(en)
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Roof tiles
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DK3113C
(en)
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Procedure for the production of limestone.
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DK17711C
(en)
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Machine for the production of roof tiles and other plate-shaped articles of cement and other suitable mixtures.
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CH22660A
(en)
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Building block
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DK3471C
(en)
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Procedure for Manufacturing Lime Sandstone.
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DK4065C
(en)
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Procedure for hardening limestone sandstone and the like.
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DK2872C
(en)
|
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Portland Cement Procedure and Apparatus.
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DK2855C
(en)
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Building stone with inlaid thermocouples.
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DK4198C
(en)
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Procedure for continuous burning of cement or the like.
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GB190018350A
(en)
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Improvements relating to Cement and like Kilns.
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CH20508A
(en)
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Novel brick
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DK3375C
(en)
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Planer for the manufacture of flame retardants and the like.
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DK3257C
(en)
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Flooring and Procedure for Manufacturing the Same.
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