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发明名称
LEAKAGE REPAIR METHOD OF UNDERGROUND BURIED PIPE
摘要
申请公布号
JPS54144756(A)
申请公布日期
1979.11.12
申请号
JP19780050734
申请日期
1978.05.01
申请人
NAKASHIN YASUSHI
发明人
NAKASHIN YASUSHI
分类号
E03F7/00;E03F9/00
主分类号
E03F7/00
代理机构
代理人
主权项
地址
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