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公开(公告)号：US3185797A
公开(公告)日：1965-05-25
申请号：US21041662
申请日：1962-07-17
Applicant: GEN ELECTRIC
Inventor： PORTER JOSEPH W
IPC: H01H33/66 , H01H33/664
CPC classification number: H01H33/664 , H01H33/6643 , H01H33/6646
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