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发明名称
TEST METHOD FOR SUBSTITUTION OF REMOTE STATION EXCHANGE
摘要
申请公布号
JPH02277356(A)
申请公布日期
1990.11.13
申请号
JP19890097442
申请日期
1989.04.19
申请人
NEC CORP;NEC TOHOKU LTD
发明人
YOSHINO KEIJI;SUZUKI AKIYASU
分类号
H04M3/22
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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