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Hansawerke Lurmann, Schutte & Co.
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Bremen, DE
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Patent Grant
Method for the production of more water-resistant foamed elements f...
Patent number
4,425,291
Issue date
Jan 10, 1984
Henkel Kommanditgesellschaft auf Aktien
Gunter Beer
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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