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发明名称
METHOD AND DEVICE FOR PREVENTING GROUT FROM INFILTRATING INTO UNDERGROUND PIPE LINE
摘要
申请公布号
JPS5628923(A)
申请公布日期
1981.03.23
申请号
JP19790105246
申请日期
1979.08.17
申请人
KINKI ELECTRICAL CONSTRUCT;SHIYUDOU KAZUO
发明人
SHIYUDOU KAZUO;IDEMOTO YOSHIFUMI
分类号
E02D3/12
主分类号
E02D3/12
代理机构
代理人
主权项
地址
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