TRANSMISSION LINE LOUDNESS RATING TESTER,申请号AU19890032605-传众专利搜索

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发明名称	TRANSMISSION LINE LOUDNESS RATING TESTER
摘要
申请公布号	AU616251(B2)	申请公布日期	1991.10.24
申请号	AU19890032605	申请日期	1989.04.10
申请人	BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY	发明人	PETER JAMIE LAWRENCE;DAVID WILLIAM PRING
分类号	H04M1/24;H04M3/30;(IPC1-7):H04Q1/20;H04B3/46	主分类号	H04M1/24
代理机构		代理人
主权项
地址

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