Castrop-Rauxel, DE
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Patent Grant
Dreve-Otoplastik GmbH
Martin Klare
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Application
DREVE OTOPLASTIK GMBH
Martin Klare
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
