METHOD AND DEVICE FOR SENDING ANNOUNCEMENT SIGNAL,申请号JP19900221135-传众专利搜索

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发明名称	METHOD AND DEVICE FOR SENDING ANNOUNCEMENT SIGNAL
摘要
申请公布号	JPH04104555(A)	申请公布日期	1992.04.07
申请号	JP19900221135	申请日期	1990.08.24
申请人	NEC CORP	发明人	MATSUMOTO NAOAKI
分类号	H04M3/50;H04Q11/04	主分类号	H04M3/50
代理机构		代理人
主权项
地址

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