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公开(公告)号：US2186342A
公开(公告)日：1940-01-09
申请号：US14377637
申请日：1937-05-20
Applicant: SQUARE D CO
Inventor： PENGILLY JOSEPH H , MOYEN JOHN G , DUVALL HAROLD A , MAECHTLEN LAWRENCE G
IPC: H01H71/74
CPC classification number: H01H71/7409
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