DISPOSITIVO DI BLOCCO DELLA SUONE RIA PER TELEFONI,申请号IT19740025253-传众专利搜索

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发明名称	DISPOSITIVO DI BLOCCO DELLA SUONE RIA PER TELEFONI
摘要
申请公布号	IT1017217(B)	申请公布日期	1977.07.20
申请号	IT19740025253	申请日期	1974.07.17
申请人	INTERNATIONAL MOBILE MACHINES CORP	发明人	BLOUCH R
分类号	H04M;(IPC1-7):H04M/	主分类号	H04M
代理机构		代理人
主权项
地址

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