Paper with improved surface,申请号US19390284088-传众专利搜索

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发明名称	Paper with improved surface
摘要
申请公布号	US2349704(A)	申请公布日期	1944.05.23
申请号	US19390284088	申请日期	1939.07.12
申请人	S. D. WARREN COMPANY	发明人	CLARK JOHN W.
分类号	D21G1/00	主分类号	D21G1/00
代理机构		代理人
主权项
地址

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