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公开(公告)号:US3525286A
公开(公告)日:1970-08-25
申请号:US3525286D
申请日:1968-07-03
申请人: CAMDALE ENTERPRISES
发明人: LOMBARDO THOMAS , SILVAGI JOSEPH
CPC分类号: B23B31/266 , B23B31/008 , B23B31/11 , B23F23/1206 , Y10T279/17863 , Y10T407/17 , Y10T407/1912 , Y10T407/1928 , Y10T408/909 , Y10T409/105247