KEY WRITING DEVICE,申请号JP19880246735-传众专利搜索

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发明名称	KEY WRITING DEVICE
摘要
申请公布号	JPH0293487(A)	申请公布日期	1990.04.04
申请号	JP19880246735	申请日期	1988.09.29
申请人	NIPPON TELEGR & TELEPH CORP <NTT>	发明人	MIYAGUCHI SHOJI;KURIHARA SADAMI;OKAMOTO TATSUAKI
分类号	G09C1/00	主分类号	G09C1/00
代理机构		代理人
主权项
地址

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