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Laferge Braas GmbH
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Oberursel, DE
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Patent Grant
Colored concrete roofing tiles and a method for producing colored c...
Patent number
6,268,410
Issue date
Jul 31, 2001
Laferge Braas GmbH
Andreas Drechsler
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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