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DK7954C
(en)
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Machine for Forming Building Blocks and Artificial Stones.
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DK8350C
(en)
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Impact press for the production of artificial stones of cement, lime and the like.
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DK7988C
(en)
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Artificial Stone Forming Machine.
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DK6427C
(en)
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Form for Making Large Blocks of Artificial Stone.
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FR360464A
(en)
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Artificial building stone
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DK11452C
(en)
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Method for making natural stone - like slabs, boards and the like.
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DK11307C
(en)
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Machine for the manufacture of ordinary drainage pipes of cement and sand.
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DK6380C
(en)
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Apparatus for making artificial stone, bricks or the like.
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DK6822C
(en)
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Procedure for Manufacturing Building Blocks.
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DK10174C
(en)
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Machine for Forming and Casting Building Elements of Cement, Mortar or Other Plastic Material.
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DK11609C
(en)
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Method for Manufacturing Asbestos Cement Slabs.
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DK5845C
(en)
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Stone collecting machine and the like.
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DK7814C
(en)
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Procedure for the production of limestone or similar artificial stones.
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DK11825C
(en)
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Method for Making Artificial Unfired Stones.
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DK7476C
(en)
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Procedure for the manufacture of bricks and similar building materials.
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FR362404A
(en)
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Artificial building stone
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DK7131C
(en)
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Reinforced Building Stone.
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DK7028C
(en)
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Procedure for Making Artificial Granite.
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CH33065A
(en)
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Artificial stone
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DK8119C
(en)
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Apparatus for collecting stones.
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DK6739C
(en)
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Method and Machine for Forming Peat Blocks.
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CH40853A
(en)
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Cement stone press
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DK9582C
(en)
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Procedure for the production of burnt stone.
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CH37433A
(en)
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Novel artificial stone slab
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CH37198A
(en)
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Artificial stone
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