Flexible post file binder,申请号US19320633509-传众专利搜索

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发明名称	Flexible post file binder
摘要
申请公布号	US1923627(A)	申请公布日期	1933.08.22
申请号	US19320633509	申请日期	1932.09.16
申请人	KNEELAND FREDERICK L	发明人	KNEELAND FREDERICK L.
分类号	B42F13/02	主分类号	B42F13/02
代理机构		代理人
主权项
地址

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