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公开(公告)号：US2056659A
公开(公告)日：1936-10-06
申请号：US74581834
申请日：1934-09-27
Applicant: GEN ELECTRIC
Inventor： FENWICK CHRISTOPHER E , DAVIES LEONARD J , TUPPEN EDWARD B
IPC: F21S8/00
CPC classification number: F21S8/086 , F21Y2113/00
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