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公开(公告)号：US2972686A
公开(公告)日：1961-02-21
申请号：US81252759
申请日：1959-05-11
Applicant: COMPTEURS COMP D
Inventor： GUSTAVE PELPEL JACQUES CHARLES
IPC: H02J13/00
CPC classification number: H02J13/0089 , Y02E60/7815 , Y04S40/121 , Y10T307/944
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