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发明名称
REPAIRING METHOD OF BURIED CONDUIT PIPE UNDER GROUND
摘要
申请公布号
JPS55103190(A)
申请公布日期
1980.08.07
申请号
JP19790010933
申请日期
1979.01.31
申请人
OSAKA GAS CO LTD
发明人
KAWATOKO SHINICHI
分类号
F16L55/16;F16L55/10
主分类号
F16L55/16
代理机构
代理人
主权项
地址
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