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发明名称
SUBSCRIBER CIRCUIT AUTOMATIC INCOMING AND OUTGOING CALL TEST EQUIPMENT
摘要
申请公布号
JPH02298150(A)
申请公布日期
1990.12.10
申请号
JP19890117347
申请日期
1989.05.12
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
HATTORI YOSHIO;SHIMIZU ATSUTAKA;SUGO KAZUAKI;MANNAKA HIDEO
分类号
H04M3/26
主分类号
H04M3/26
代理机构
代理人
主权项
地址
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