A flickering device for telephone sets,申请号GB19900012120-传众专利搜索

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发明名称	A flickering device for telephone sets
摘要
申请公布号	GB2232558(B)	申请公布日期	1993.10.13
申请号	GB19900012120	申请日期	1990.05.31
申请人	TSAI-TEN * YANG	发明人	TSAI-TEN * YANG
分类号	H04M1/02;H04M1/82;(IPC1-7):H04M1/22	主分类号	H04M1/02
代理机构		代理人
主权项
地址

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