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Application filed by Knecht Filterwerke Gmbh, ManiafiledCriticalKnecht Filterwerke Gmbh
Priority to IT5166378ApriorityCriticalpatent/IT1202842B/en
Publication of IT7851663A0publicationCriticalpatent/IT7851663A0/en
Application grantedgrantedCritical
Publication of IT1202842BpublicationCriticalpatent/IT1202842B/en
IT5166378A1978-10-261978-10-26Internal combustion engine air filter - with biased non:return valve closing air inlet when engine is stopped
IT1202842B
(en)