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公开(公告)号：US948920A
公开(公告)日：1910-02-08
申请号：US1908425611
申请日：1908-04-07
Applicant: COLLOM ALTAMONT B , MCCLINTOCK LOUIS E , STEWART WILLIAM C , MCCREIGHT ROBERT R
Inventor： COLLOM ALTAMONT B , MCCLINTOCK LOUIS E , STEWART WILLIAM C , MCCREIGHT ROBERT R
CPC classification number: B65H45/18
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