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公开(公告)号:US2434498A
公开(公告)日:1948-01-13
申请号:US53398744
申请日:1944-05-03
申请人: KLASSETT GEORGE E
发明人: KLASSETT GEORGE E
IPC分类号: B23B5/02
CPC分类号: B23B5/02 , Y10T82/21 , Y10T82/2524 , Y10T82/2552 , Y10T82/2564
公开(公告)号:US2434498A
公开(公告)日:1948-01-13
申请号:US53398744
申请日:1944-05-03
申请人: KLASSETT GEORGE E
发明人: KLASSETT GEORGE E
IPC分类号: B23B5/02
CPC分类号: B23B5/02 , Y10T82/21 , Y10T82/2524 , Y10T82/2552 , Y10T82/2564