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公开(公告)号：US3238349A
公开(公告)日：1966-03-01
申请号：US30675263
申请日：1963-09-05
Applicant: UNION CARBIDE CORP
Inventor： ANDERSON JOHN E , RUNKLE WILLIAM J
CPC classification number: B23K9/291 , B23K9/0671
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