TYPEWRITER,申请号GB19790015255-传众专利搜索

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发明名称	TYPEWRITER
摘要
申请公布号	GB2021831(B)	申请公布日期	1982.06.30
申请号	GB19790015255	申请日期	1979.05.02
申请人	IBM CORP	发明人
分类号	B41J19/64;B41J21/00;B41J29/26;B41J29/36;(IPC1-7):B41J29/26	主分类号	B41J19/64
代理机构		代理人
主权项
地址

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