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公开(公告)号:US1137329A
公开(公告)日:1915-04-27
申请号:US820815
申请日:1915-02-15
Applicant: M B SCHENCK COMPANY
Inventor: JOHNSON JOHN A
CPC classification number: F16D2125/40
公开(公告)号:US1137329A
公开(公告)日:1915-04-27
申请号:US820815
申请日:1915-02-15
Applicant: M B SCHENCK COMPANY
Inventor: JOHNSON JOHN A
CPC classification number: F16D2125/40