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公开(公告)号:US1766136A
公开(公告)日:1930-06-24
申请号:US75270224
申请日:1924-11-28
Applicant: CONTINENTAL TOOL WORKS
Inventor: MARKSTRUM JOHN A
IPC: B23B31/113 , B23B51/10
CPC classification number: B23B51/107 , B23B31/113 , Y10T279/17863 , Y10T279/17888
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公开(公告)号:US1713847A
公开(公告)日:1929-05-21
申请号:US18571627
申请日:1927-04-22
Applicant: CONTINENTAL TOOL WORKS
Inventor: MARKSTRUM JOHN A
CPC classification number: B23C5/207 , B23C5/2441 , B23C2200/086 , Y10T407/1918 , Y10T407/1922
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