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公开(公告)号：US2743612A
公开(公告)日：1956-05-01
申请号：US39225253
申请日：1953-11-16
Applicant: WESTON ELECTRICAL INSTR CORP
Inventor： KEBBON EARL R , FREEMAN ROBERT W
IPC: G01K5/62
CPC classification number: G01K5/62
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公开(公告)号：US2743611A
公开(公告)日：1956-05-01
申请号：US47410554
申请日：1954-12-09
Applicant: WESTON ELECTRICAL INSTR CORP
Inventor： FREEMAN ROBERT W
IPC: G01K5/62
CPC classification number: G01K5/62
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