Locking mechanism for binders,申请号US19560598008-传众专利搜索

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发明名称	Locking mechanism for binders
摘要
申请公布号	US2902039(A)	申请公布日期	1959.09.01
申请号	US19560598008	申请日期	1956.07.16
申请人	LOOSE LEAF METALS COMPANY	发明人	SCHROER WALTER E.;JR. VICTOR TRYBINSKI,;WALLING IRVIN H.
分类号	B42F13/12	主分类号	B42F13/12
代理机构		代理人
主权项
地址

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