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公开(公告)号:US2924968A
公开(公告)日:1960-02-16
申请号:US71147758
申请日:1958-01-27
Applicant: GEN MOTORS CORP
Inventor: COLTEN ROBERT B , SYLVESTER RALPH B , PFETSCH ROBERT G
公开(公告)号:US2924968A
公开(公告)日:1960-02-16
申请号:US71147758
申请日:1958-01-27
Applicant: GEN MOTORS CORP
Inventor: COLTEN ROBERT B , SYLVESTER RALPH B , PFETSCH ROBERT G