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发明名称
PIPE PROPELLING METHOD
摘要
申请公布号
JPS58101996(A)
申请公布日期
1983.06.17
申请号
JP19810197713
申请日期
1981.12.10
申请人
TOUA KENSETSU KOGYO KK
发明人
SAITOU TAKAYOSHI;KAWARAI KATSUNORI
分类号
E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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