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1.Means for measuring yarn in pirn and like winding apparatus 失效
Title translation: 用于测量皮条和类似卷绕装置纱线的方法公开(公告)号:US2131086A
公开(公告)日:1938-09-27
申请号:US74956834
申请日:1934-10-23
Applicant: CELANESE CORP
Inventor: ARTHUR ARMETT GEORGE , PRINCE BLACK ARTHUR , MILLER FULTON STEPHEN
IPC: B65H63/08
CPC classification number: B65H63/08 , B65H2701/31