A SECURITY DEVICE FOR A TELEPHONE INSTRUMENT,申请号GB19860028726-传众专利搜索

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发明名称	A SECURITY DEVICE FOR A TELEPHONE INSTRUMENT
摘要
申请公布号	GB2184917(B)	申请公布日期	1989.11.15
申请号	GB19860028726	申请日期	1986.12.02
申请人	PHILIP * SMITH	发明人	PHILIP * SMITH
分类号	H04M1/667	主分类号	H04M1/667
代理机构		代理人
主权项
地址

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