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公开(公告)号：US2939511A
公开(公告)日：1960-06-07
申请号：US48222255
申请日：1955-01-17
Applicant: GEN MOTORS CORP
Inventor： GILSON JOSEPH H , TEERLINCK VICTOR M
IPC: A47C3/18
CPC classification number: A47C3/18
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