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公开(公告)号：US3303682A
公开(公告)日：1967-02-14
申请号：US17043862
申请日：1962-02-01
Applicant: GEN MOTORS CORP
Inventor： ALLURED ROBERT B , CARVER LAURENCE R , STROMS KARL F , CARLSON WILBUR L
IPC: B21H5/02
CPC classification number: B21H5/027
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