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公开(公告)号：US3340176A
公开(公告)日：1967-09-05
申请号：US47552965
申请日：1965-07-28
Applicant: WESTERN ELECTRIC CO
Inventor： DOMINICK BELLUSO , STETKA DANIEL G , HARALD WESTGAARD
IPC: C23C14/56
CPC classification number: C23C14/56 , Y10S414/138
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