Device for measuring the length of fibers,申请号US19360079942-传众专利搜索

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发明名称	Device for measuring the length of fibers
摘要
申请公布号	US2120358(A)	申请公布日期	1938.06.14
申请号	US19360079942	申请日期	1936.05.15
申请人	HARDY JOHN I	发明人	HARDY JOHN I.
分类号	G01N33/36	主分类号	G01N33/36
代理机构		代理人
主权项
地址

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