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公开(公告)号：US3422706A
公开(公告)日：1969-01-21
申请号：US3422706D
申请日：1965-08-06
Applicant: INT NICKEL CO
Inventor： LUNSFORD HAROLD D
CPC classification number: B23B51/048 , B23B2251/201 , B23B2251/424 , B23B2251/48 , B23B2251/56 , Y10T407/1908 , Y10T407/192 , Y10T408/455
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