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发明名称
SIMULATING EXCHANGE FOR TESTING TELEPHONE SET
摘要
申请公布号
JPH03213037(A)
申请公布日期
1991.09.18
申请号
JP19900007208
申请日期
1990.01.18
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
TAKAHASHI NOBUYUKI;SUEHIRO MASANAO;KUWABARA HIDEAKI;YAMAZAKI SATOSHI
分类号
H04M1/24
主分类号
H04M1/24
代理机构
代理人
主权项
地址
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