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公开(公告)号：US3110088A
公开(公告)日：1963-11-12
申请号：US18682462
申请日：1962-04-06
Applicant: SPECIALTIES DEV CORP
Inventor： BLOM STANFORD W
CPC classification number: H01C7/04 , H01C17/00 , Y10T29/49082 , Y10T29/49085 , Y10T29/49169 , Y10T29/49792 , Y10T29/49798
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