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公开(公告)号：US3280729A
公开(公告)日：1966-10-25
申请号：US47690065
申请日：1965-08-03
Applicant: WILCOCKS DOUGLAS A M
Inventor： WILCOCKS DOUGLAS A M
CPC classification number: B05C1/165 , B41F17/12 , B44D3/22 , H01B13/341
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