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Hans Hofmann
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Hargesheim, DE
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Filter material in the form of flexible leaves or sheets and a meth...
Patent number
5,223,139
Issue date
Jun 29, 1993
Seitz Filter Werke Theo & Geo Seitz GmbH & Co.
Helmut Ruger
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS