Method of producing chemically self-copying or self-containing paper,申请号US19890380036-传众专利搜索

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发明名称	Method of producing chemically self-copying or self-containing paper
摘要
申请公布号	US4957778(A)	申请公布日期	1990.09.18
申请号	US19890380036	申请日期	1989.07.14
申请人	A. AHLSTROM CORPORATION	发明人	YRJAELAE, OLAVI A.
分类号	B41M5/30;B41M5/124;B41M5/382	主分类号	B41M5/30
代理机构		代理人
主权项
地址

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