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公开(公告)号：US3053741A
公开(公告)日：1962-09-11
申请号：US10111561
申请日：1961-04-06
Applicant: LEESONA CORP
Inventor： MEDINA VICTOR E
IPC: C23C18/44 , C25D3/56 , G01N33/487 , H01M4/94
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