,申请号GBD1234275-传众专利搜索

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发明名称
摘要
申请公布号	GB1234275(A)	申请公布日期	1971.06.03
申请号	GBD1234275	申请日期	1968.05.13
申请人		发明人
分类号	H04R7/18	主分类号	H04R7/18
代理机构		代理人
主权项
地址

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