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公开(公告)号：US2981089A
公开(公告)日：1961-04-25
申请号：US80437159
申请日：1959-04-06
Applicant: GEN MOTORS CORP
Inventor： NEYBOUSE GEORGE A , SAVAGE JACK W , SHEWMON RALPH K
IPC: D06F37/30
CPC classification number: D06F37/304 , Y10T477/33 , Y10T477/343
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