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公开(公告)号：US3155875A
公开(公告)日：1964-11-03
申请号：US14313161
申请日：1961-10-05
Applicant: GILBERT ASSOCIATES
Inventor： WENRICH CARL M , PHILLIPS ARTHUR H
IPC: H05B41/282
CPC classification number: H05B41/2827 , Y10S315/05
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