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公开(公告)号：US3376400A
公开(公告)日：1968-04-02
申请号：US43857565
申请日：1965-03-10
Applicant: SQUARE D CO
Inventor： BATT THOMAS N , DUVALL HAROLD A
IPC: H01H9/28
CPC classification number: H01H9/283 , Y10T70/5779
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2.发明授权Padlock-receiving locking attachment for pivotable operating handles of electrical control devices 失效挂锁接收锁定附件，用于电气控制装置的可枢转操作手柄
公开(公告)号：US3214530A
公开(公告)日：1965-10-26
申请号：US23176262
申请日：1962-10-19
Applicant: SQUARE D CO
Inventor： THARP JAMES A , BATT THOMAS N
IPC: H01H9/28
CPC classification number: H01H9/283
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