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公开(公告)号：US2382233A
公开(公告)日：1945-08-14
申请号：US44947042
申请日：1942-07-02
Applicant: WESTERN ELECTRIC CO
Inventor： KIVLEY RAY C , WESTERN SPRINGS ALBERT PEARSON
IPC: C25D17/06
CPC classification number: C25D17/06
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