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发明名称
METHOD AND DEVICE OF REPLACING CONSTRUCTION OF BURIED LEAVING PIPE
摘要
申请公布号
JPS63210394(A)
申请公布日期
1988.09.01
申请号
JP19870045792
申请日期
1987.02.27
申请人
OSAKA BOSUI CONSTR CO LTD
发明人
MIYAZAKI YASUO;KAMIIDE AKIRA;SAITO YOSHIAKI
分类号
E21D9/06;F16L1/024
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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