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公开(公告)号：US3540093A
公开(公告)日：1970-11-17
申请号：US3540093D
申请日：1966-03-21
Applicant: INTERPACE CORP
Inventor： BOATRIGHT DEAN D JR , STEVENS LAWRENCE M , YORK JAMES A
CPC classification number: B28B15/00 , B28B3/02 , B28B3/126 , B28B13/0205 , B28B17/026 , Y10T83/2133
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