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经营范围
发明名称
DOUBLE FREQUENCY CIRCUIT
摘要
申请公布号
JPH0353711(A)
申请公布日期
1991.03.07
申请号
JP19890189465
申请日期
1989.07.21
申请人
NEC CORP;NEC ENG LTD
发明人
TSUTSUMI YASUNORI;MATSUFUJI KOJI
分类号
H03K5/00
主分类号
H03K5/00
代理机构
代理人
主权项
地址
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