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FR358933A
(en)
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Drains
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DK8267C
(en)
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Machine for the manufacture of building blocks and building bodies of any kind of molding compound.
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CH35183A
(en)
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Artificial building block
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CH37434A
(en)
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Artificial building block
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CH37432A
(en)
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Brick extruder
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CH33311A
(en)
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Building block
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AU754106B
(en)
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Cement building blocks
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DK8316C
(en)
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Percussion table for the production of cement bricks.
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CH38200A
(en)
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Gypsum kiln
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CH36252A
(en)
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Artificial building block
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FR367721A
(en)
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Septic
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DK6822C
(en)
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Procedure for Manufacturing Building Blocks.
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CH41379A
(en)
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Cement block
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DK8626C
(en)
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Cement stone molding machine.
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CA103422A
(en)
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Concrete building block
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DK8863C
(en)
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Cement brick machine.
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DK8346C
(en)
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Cement brick machine.
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CA100655A
(en)
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Cement building block
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CA101392A
(en)
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Concrete block
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CH38558A
(en)
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Concrete ceiling
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AU754106A
(en)
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Cement building blocks
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CH35054A
(en)
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Dismountable building
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DK7661C
(en)
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Procedure for Manufacturing Hulsten.
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CH38281A
(en)
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Brick wagon
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CA105062A
(en)
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Cement manufacture
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