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公开(公告)号：US1908727A
公开(公告)日：1933-05-16
申请号：US53671031
申请日：1931-05-12
Applicant: ATLAS MFG COMPANY
Inventor： WILLIAM BLEAM EDGAR
CPC classification number: B23D55/082 , B23Q11/005 , B23Q11/02 , Y10S29/061 , Y10S29/081 , Y10S29/096 , Y10T83/242
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