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公开(公告)号：US3299870A
公开(公告)日：1967-01-24
申请号：US52221766
申请日：1966-01-21
Applicant: BOSCH GMBH ROBERT
Inventor： RICHARD BERTSCH , JOSEF HEINZELMANN
IPC: F01L1/245
CPC classification number: F01L1/245
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