Spiral binding machine,申请号US19360083866-传众专利搜索

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发明名称	Spiral binding machine
摘要
申请公布号	US2166519(A)	申请公布日期	1939.07.18
申请号	US19360083866	申请日期	1936.06.06
申请人	SPIRAL BINDING COMPANY, INC.	发明人	CATINI VINCENZO
分类号	B42B5/12	主分类号	B42B5/12
代理机构		代理人
主权项
地址

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