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发明名称
PIPING METHOD IN TUNNEL
摘要
申请公布号
JPS5517746(A)
申请公布日期
1980.02.07
申请号
JP19780089643
申请日期
1978.07.21
申请人
KUBOTA LTD
发明人
MIYAMOTO HIROSHI;YAMAJI TADAO;NAKASHIMA EI;SAGARA TAKAO
分类号
F16L1/00
主分类号
F16L1/00
代理机构
代理人
主权项
地址
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