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公开(公告)号：US1872656A
公开(公告)日：1932-08-23
申请号：US56387231
申请日：1931-09-19
Applicant: ATLAS MFG COMPANY
Inventor： BLEAM EDGAR W
CPC classification number: B23Q11/005 , B23D55/06 , B23Q11/02 , Y10S29/061 , Y10S29/079 , Y10S29/081 , Y10S29/097 , Y10T83/242
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