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BAUSCHER PORZELLAN
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BAUSCHER PORZELLAN
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Application filed by BAUSCHER PORZELLANfiledCriticalBAUSCHER PORZELLAN
Publication of FR2202016A1publicationCriticalpatent/FR2202016A1/fr
Application grantedgrantedCritical
Publication of FR2202016B1publicationCriticalpatent/FR2202016B1/fr