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发明名称
METHOD OF REPLACEMENT CONSTRUCTION OF OLD PIPE BY NON-DRIVE
摘要
申请公布号
JPS6235188(A)
申请公布日期
1987.02.16
申请号
JP19850172272
申请日期
1985.08.07
申请人
NIPPON KOKAN KK <NKK>;JAPAN STEEL & TUBE CONSTR CO LTD
发明人
MISAWA ROKURO;OBATA YASUO;SATO TAKUO;ASANO SHOJI;MATSUO ATSUSHI
分类号
E21D9/06;E02B9/06;E02F5/10;F16L1/024;F16L1/038
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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