Polding plastic book cover,申请号US19490115045-传众专利搜索

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发明名称	Polding plastic book cover
摘要
申请公布号	US2533590(A)	申请公布日期	1950.12.12
申请号	US19490115045	申请日期	1949.09.10
申请人	PAUL P. CLARK	发明人	JR. WILLIAM R. KUTIK,
分类号	B42F13/00	主分类号	B42F13/00
代理机构		代理人
主权项
地址

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