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Holger Grzybowski
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Bruchkobel, DE
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Patent Grant
Wound and sintered vitreous silica article and method of making
Patent number
4,340,627
Issue date
Jul 20, 1982
Heraeus Quarzschmelze GmbH
Heinz Herzog
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS