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经营范围
发明名称
ELECTRICAL FILTER CIRCUIT
摘要
申请公布号
IE812796(L)
申请公布日期
1982.06.01
申请号
IE19810002796
申请日期
1981.11.30
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
分类号
H03H19/00;(IPC1-7):H03H19/00
主分类号
H03H19/00
代理机构
代理人
主权项
地址
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