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1.Sawmill comprising two circular saws for cutting adjacent sides of cants simultaneously 失效
标题翻译: 锯木机包括两个圆锯同时切割相邻的两侧公开(公告)号:US2672896A
公开(公告)日:1954-03-23
申请号:US29642052
申请日:1952-06-30
申请人: STEPHEN B KAHN
发明人: SHURTLIFF NORVAL E
CPC分类号: B27B7/02 , B23D59/005 , B27B31/08 , B27B33/20 , Y10T83/0326 , Y10T83/6478