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公开(公告)号：US2412864A
公开(公告)日：1946-12-17
申请号：US16009237
申请日：1937-08-20
Applicant: GEN ELECTRIC
Inventor： BROWMAN KENNETH K , KANE GAROLD A
IPC: G05D3/12
CPC classification number: G05D3/122
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