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公开(公告)号：US3264887A
公开(公告)日：1966-08-09
申请号：US32670063
申请日：1963-11-29
Applicant: ALLIS CHALMERS MFG CO
Inventor： HOLMES ROBERT G
IPC: B06B1/16
CPC classification number: B06B1/167 , Y10T74/18552
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