Patent search ap:("ASEA AB") AND inv:"BERG SAMUEL" Page 1

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发明授权
Electric contact means 失效
Title translation: 电接触方式

公开(公告)号：US3551629A

公开(公告)日：1970-12-29

申请号：US3551629D

申请日：1969-05-12

Applicant: ASEA AB

Inventor： BERG SAMUEL

IPC: H01H1/24 , H01H1/38 , H01H1/48

CPC classification number: H01H1/24 , H01H1/385

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