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Firma Gebr. Knauf Westdeutsche Gipswerke
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Iphofen, DE
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Patent Grant
Method of producing an adsorbent from bloating minerals and calcium...
Patent number
4,925,826
Issue date
May 15, 1990
Firma Gipswerk Embsen GmbH & Co. Baustoffproduktion KG
Heiner Hamm
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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