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公开(公告)号：US3310005A
公开(公告)日：1967-03-21
申请号：US37819864
申请日：1964-06-26
Applicant: UNITCAST CORP
Inventor： FLOEHR WALTER L , ALLER EDMUND R , SHILS LEE H
IPC: B61D7/20
CPC classification number: B61D7/20 , Y10T74/18272 , Y10T74/18976 , Y10T74/19963
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