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公开(公告)号：US3219481A
公开(公告)日：1965-11-23
申请号：US19068362
申请日：1962-04-27
Applicant: LEESONA CORP
Inventor： CHODOSH STEWART M , MALASPINA JR FRANK
IPC: C23C18/44
CPC classification number: C23C18/44
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