(B2) ;ELECTRONIC TELEPHONE SET CIRCUIT,申请号PL19790218542-传众专利搜索

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发明名称	(B2) ;ELECTRONIC TELEPHONE SET CIRCUIT
摘要
申请公布号	PL218542(A2)	申请公布日期	1980.07.28
申请号	PL19790218542	申请日期	1979.09.25
申请人	POLITECHNIKA WROCLAWSKA	发明人	PIERZCHALA MARIAN;FRANCYK JAN
分类号	H04M;H04M1/31;H04Q1/28;(IPC1-7):H04M/	主分类号	H04M
代理机构		代理人
主权项
地址

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