Temporary binder or loose sheet holder,申请号US19380186652-传众专利搜索

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发明名称	Temporary binder or loose sheet holder
摘要
申请公布号	US2130830(A)	申请公布日期	1938.09.20
申请号	US19380186652	申请日期	1938.01.24
申请人	MASTER-CRAFT CORPORATION	发明人	ALLYN LEON L.
分类号	B42F13/04	主分类号	B42F13/04
代理机构		代理人
主权项
地址

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