,申请号GBD1238449-传众专利搜索

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发明名称
摘要
申请公布号	GB1238449(A)	申请公布日期	1971.07.07
申请号	GBD1238449	申请日期	1969.07.14
申请人		发明人
分类号	H03K3/281;H03K17/24;H03K17/60;H03K17/68	主分类号	H03K3/281
代理机构		代理人
主权项
地址

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