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发明名称
CHANNEL CONNECTING SYSTEM
摘要
申请公布号
JPH02142254(A)
申请公布日期
1990.05.31
申请号
JP19880296684
申请日期
1988.11.22
申请人
NEC CORP
发明人
OZAKI MITSUYOSHI
分类号
H04M3/00;H04L12/02
主分类号
H04M3/00
代理机构
代理人
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