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发明名称
METHOD OF PIPING IN TUNNELS
摘要
申请公布号
JPS5255209(A)
申请公布日期
1977.05.06
申请号
JP19750131273
申请日期
1975.10.30
申请人
KUBOTA LTD
发明人
KUSANO HIROSHI;UMEDA SHIGERU
分类号
F16L1/00;E02B9/06;E02F5/10;E21D11/00;F16L1/038;F16L57/00
主分类号
F16L1/00
代理机构
代理人
主权项
地址
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