Loose leaf book and method of manufacture,申请号US19340757106-传众专利搜索

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发明名称	Loose leaf book and method of manufacture
摘要
申请公布号	US2024881(A)	申请公布日期	1935.12.17
申请号	US19340757106	申请日期	1934.12.12
申请人	NATIONAL BLANK BOOK COMPANY	发明人	SCHADE FRANK STANLEY
分类号	B42C7/00	主分类号	B42C7/00
代理机构		代理人
主权项
地址

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