Cover reinforcement for soft-back books,申请号US19660527161-传众专利搜索

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发明名称	Cover reinforcement for soft-back books
摘要
申请公布号	US3367680(A)	申请公布日期	1968.02.06
申请号	US19660527161	申请日期	1966.02.14
申请人	JOSEPH GREENSPAN	发明人	GREENSPAN JOSEPH
分类号	B42C17/00	主分类号	B42C17/00
代理机构		代理人
主权项
地址

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