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公开(公告)号：US3215800A
公开(公告)日：1965-11-02
申请号：US20662462
申请日：1962-07-02
Applicant: SQUARE D CO
Inventor： MAX HURTER , NIELSEN ERIK J
CPC classification number: H01H11/0012 , H01H50/045 , H01H50/305 , H01H50/443 , H01H50/545 , H01H2300/042
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