Centering chuck for web rolls,申请号US19270241783-传众专利搜索

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发明名称	Centering chuck for web rolls
摘要
申请公布号	US1861646(A)	申请公布日期	1932.06.07
申请号	US19270241783	申请日期	1927.12.22
申请人	STONE IRVING I	发明人	STONE IRVING I.
分类号	B65H16/06;B65H75/18	主分类号	B65H16/06
代理机构		代理人
主权项
地址

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