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公开(公告)号：US3198050A
公开(公告)日：1965-08-03
申请号：US22715862
申请日：1962-10-01
Applicant: AMERICAN MACH & FOUNDRY
Inventor： BENITH BENEDIET R
CPC classification number: B26D1/50 , B26D7/06 , B26D7/0625 , Y10T83/2192 , Y10T83/6633 , Y10T83/7076 , Y10T83/7183 , Y10T83/889
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