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经营范围
发明名称
MENDING PIPE FOR SPLICE PIPE OF BRIDGE
摘要
申请公布号
JPH01322003(A)
申请公布日期
1989.12.27
申请号
JP19880156076
申请日期
1988.06.24
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
NAGAMACHI SHUNJI;YAMAZAKI TAIJI;MASUNE MASAHIKO
分类号
E01D18/00;E01D22/00
主分类号
E01D18/00
代理机构
代理人
主权项
地址
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