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公开(公告)号:US1045997A
公开(公告)日:1912-12-03
申请号:US1910542377
申请日:1910-02-07
Applicant: RAILWAY MATERIALS COMPANY
Inventor: MENDENHALL CLARENCE M
CPC classification number: F16D65/062
公开(公告)号:US1045997A
公开(公告)日:1912-12-03
申请号:US1910542377
申请日:1910-02-07
Applicant: RAILWAY MATERIALS COMPANY
Inventor: MENDENHALL CLARENCE M
CPC classification number: F16D65/062