SPOSOB TWORZENIA SYGNALU JEDNOWSTEGOWEGO O SZEROKOSCI 4 KHZ W SYSTEMACH TELEFONII ENERGETYCZNEJ,申请号PL19760189458-传众专利搜索

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发明名称	SPOSOB TWORZENIA SYGNALU JEDNOWSTEGOWEGO O SZEROKOSCI 4 KHZ W SYSTEMACH TELEFONII ENERGETYCZNEJ
摘要
申请公布号	PL105188(B1)	申请公布日期	1979.09.29
申请号	PL19760189458	申请日期	1976.05.11
申请人		发明人
分类号	H04J1/06;(IPC1-7):H04J1/06	主分类号	H04J1/06
代理机构		代理人
主权项
地址

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