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公开(公告)号：US3387637A
公开(公告)日：1968-06-11
申请号：US54951466
申请日：1966-05-12
Applicant: TERLECO INC
Inventor： RICHARD FERGUSON , HINTON CHARLES V
IPC: B23B51/04
CPC classification number: B23B51/0406 , B23B2240/08 , B23B2251/50 , Y10T408/895
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