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发明名称
BIPOLAR SIGNAL SWITCH
摘要
申请公布号
JPH05110546(A)
申请公布日期
1993.04.30
申请号
JP19910264378
申请日期
1991.10.14
申请人
NEC CORP
发明人
YAMAZAKI MASAO
分类号
H04L1/22;H04L25/49
主分类号
H04L1/22
代理机构
代理人
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地址
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