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发明名称
CHANGEOVER CIRCUIT FOR MULTI-POLE CHANGEOVER DEVICE
摘要
申请公布号
JPH04111624(A)
申请公布日期
1992.04.13
申请号
JP19900229739
申请日期
1990.08.31
申请人
NEC ENG LTD
发明人
KANAI KAZUNAGA
分类号
H03K17/00;H04B7/155
主分类号
H03K17/00
代理机构
代理人
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地址
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