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公开(公告)号：US2360475A
公开(公告)日：1944-10-17
申请号：US44464642
申请日：1942-05-27
Applicant: INT STANDARD ELECTRIC CORP
Inventor： KUMAR CHATTERJEA PRAFULLA , MARC BRAND PAUL
IPC: H03F1/50
CPC classification number: H03F1/50
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