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公开(公告)号：US2246165A
公开(公告)日：1941-06-17
申请号：US27622239
申请日：1939-05-27
Applicant: GEN ELECTRIC
Inventor： WALTHER DAWIHL , HERMANN FRANSSEN
IPC: C22C1/05
CPC classification number: C22C1/051 , Y10S29/046
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