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发明名称
POWER SOURCE CIRCUIT OF TRANSMISSION TERMINAL EQUIPMENT
摘要
申请公布号
JPH03162170(A)
申请公布日期
1991.07.12
申请号
JP19890300676
申请日期
1989.11.21
申请人
TOKYO GAS CO LTD;NIPPON TELEGR & TELEPH CORP <NTT>;TOSHIBA CORP
发明人
YAMASHITA TETSUYA
分类号
H04M19/08;H04M11/00
主分类号
H04M19/08
代理机构
代理人
主权项
地址
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