MEJORAS EN SISTEMAS DE COMUNICACIoN,申请号ES19450001790-传众专利搜索

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发明名称	MEJORAS EN SISTEMAS DE COMUNICACIoN
摘要
申请公布号	ES179045(A1)	申请公布日期	1947.10.01
申请号	ES19450001790	申请日期	1947.07.23
申请人	STANDARD ELECTRICA, S.A.	发明人
分类号	(IPC1-7):H04	主分类号	(IPC1-7):H04
代理机构		代理人
主权项
地址

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