Top roll for textile drafting machines,申请号US19350027736-传众专利搜索

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发明名称	Top roll for textile drafting machines
摘要
申请公布号	US2072642(A)	申请公布日期	1937.03.02
申请号	US19350027736	申请日期	1935.06.21
申请人	H & B AMERICAN MACHINE COMPANY	发明人	MARTIN EDWARD L.
分类号	D01H5/74	主分类号	D01H5/74
代理机构		代理人
主权项
地址

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