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1. WO2001057402 - FRICTION VACUUM PUMP

Available information on National Phase entries(more information)
OfficeEntry DateNational NumberNational Status
European Patent Office 13.07.20022001909681Published: 30.10.2002
Granted: 23.01.2008
Japan 31.07.20022001556016
United States of America 12.11.200210182843