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公开(公告)号：US2493839A
公开(公告)日：1950-01-10
申请号：US67953346
申请日：1946-06-26
Applicant: TAYLOR WINFIELD CORP
Inventor： THOMAS CHARLES W , SMITH CLYDE E
IPC: B23K11/24
CPC classification number: B23K11/248
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