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公开(公告)号：US3442668A
公开(公告)日：1969-05-06
申请号：US3442668D
申请日：1965-08-16
Applicant: GEN MOTORS CORP
Inventor： FENERTY MICHAEL J , SOMERS ARTHUR V
IPC: C04B33/13 , C04B35/632 , H01B3/02 , C04B33/32 , C04B33/02
CPC classification number: C04B33/1305 , C04B33/13 , C04B33/1315 , C04B35/632 , H01B3/02
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