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公开(公告)号：US1713236A
公开(公告)日：1929-05-14
申请号：US13154826
申请日：1926-08-25
Applicant: GEN MOTORS CORP
Inventor： MIDGLEY JR THOMAS , HOCHWALT CARROLL A , ALLEN THOMAS CHARLES
IPC: C08F36/04
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