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公开(公告)号：US2337502A
公开(公告)日：1943-12-21
申请号：US41691841
申请日：1941-10-28
Applicant: GEN ELECTRIC
Inventor： SCOTT KENNETH D , TOWNSEND RICHARD W
IPC: G01M11/06
CPC classification number: G01M11/062
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