Patent search ap:("LEE ENGINEERING RES CORP") AND inv:"BROBERG FRED E" Page 1

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发明授权
Protective means for electrical contacts 失效
Title translation: 电气触点的保护装置

公开(公告)号：US2356166A

公开(公告)日：1944-08-22

申请号：US45507642

申请日：1942-08-17

Applicant: LEE ENGINEERING RES CORP

Inventor： ROYAL LEE , BROBERG FRED E

IPC: H01H9/54 , H02K11/00

CPC classification number: H01H9/54 , H02K11/23

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