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经营范围
发明名称
PIPELINE RENEWING APPARATUS
摘要
申请公布号
JPS61246432(A)
申请公布日期
1986.11.01
申请号
JP19850085880
申请日期
1985.04.22
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
MORIMITSU TAKENORI;YABUTA TETSUO;TSUJIMURA TAKESHI;NOMURA YOSHIHIKO
分类号
E03F7/00
主分类号
E03F7/00
代理机构
代理人
主权项
地址
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