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公开(公告)号：US2911493A
公开(公告)日：1959-11-03
申请号：US71025058
申请日：1958-01-21
Applicant: TESLA NP
Inventor： KAREL WEBER , HRADEC KRALOVE NOVY , BOHUSLAV JANSA
IPC: H01H1/24
CPC classification number: H01H1/242
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