Picture mount or portfolio,申请号US19490102795-传众专利搜索

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发明名称	Picture mount or portfolio
摘要
申请公布号	US2538894(A)	申请公布日期	1951.01.23
申请号	US19490102795	申请日期	1949.07.02
申请人	ARTIFAX, INC.	发明人	BENDER ROBERT J.
分类号	B42F5/00	主分类号	B42F5/00
代理机构		代理人
主权项
地址

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