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公开(公告)号:US2494498A
公开(公告)日:1950-01-10
申请号:US60772045
申请日:1945-07-30
申请人: GEN MOTORS CORP
发明人: LAWRENCE WILLIAMS , VOSLER EDWARD J
CPC分类号: B30B15/28 , B23D39/00 , Y10S408/71 , Y10T74/18296 , Y10T408/65
公开(公告)号:US2494498A
公开(公告)日:1950-01-10
申请号:US60772045
申请日:1945-07-30
申请人: GEN MOTORS CORP
发明人: LAWRENCE WILLIAMS , VOSLER EDWARD J
CPC分类号: B30B15/28 , B23D39/00 , Y10S408/71 , Y10T74/18296 , Y10T408/65