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DK6427C
(en)
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Form for Making Large Blocks of Artificial Stone.
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DK7028C
(en)
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Procedure for Making Artificial Granite.
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DK7954C
(en)
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Machine for Forming Building Blocks and Artificial Stones.
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DK7037C
(en)
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Method of Making Cement.
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DK3401C
(en)
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Form box for the manufacture of artificial stones.
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DK3824C
(en)
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Procedure for the production of artificial stone.
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DK3876C
(en)
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Procedure for the production of artificial stone.
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CH29535A
(en)
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Artificial stone
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DK3211C
(en)
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Procedure for Making Artificial Gypsum Stone.
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DK2972C
(en)
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Procedure for Making Artificial Stones.
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DK2486C
(en)
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Procedure for Making Artificial Stone.
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DK6822C
(en)
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Procedure for Manufacturing Building Blocks.
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DK6712C
(en)
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Method of Manufacturing Hydraulic Cements.
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DK5603C
(en)
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Procedure for Manufacturing Artificial Stones.
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DK11135C
(en)
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Method of Making Calcium Carbide.
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DK11258C
(en)
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Method of Making Calcium Carbide.
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DK6419C
(en)
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Procedure for the manufacture of Portland cement.
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DK1219C
(en)
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Procedure for Making Artificial Stone.
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DK3984C
(en)
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PROCEDURE FOR ARTIFICIAL MANUFACTURE OF DIAMONDS.
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CH25952A
(en)
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Artificial stone
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CH25953A
(en)
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Artificial stone
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CH30967A
(en)
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Shaped stone
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DK6739C
(en)
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Method and Machine for Forming Peat Blocks.
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DK10897C
(en)
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Pit stamp of artificial stone mass.
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ES33362A1
(en)
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A procedure for the manufacture of artificial stones.
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