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发明名称
METHOD OF LAYING AND INTERCEPTOR WITHOUT MAKING AN EXCAVATION AND APPARATUS THEREFOR
摘要
申请公布号
PL286053(A1)
申请公布日期
1992.01.27
申请号
PL19900286053
申请日期
1990.07.13
申请人
KAZIOW HENRYK
发明人
KAZIOW HENRYK
分类号
E02F5/10;F16L1/028;(IPC1-7):F16L1/028;E02D29/10
主分类号
E02F5/10
代理机构
代理人
主权项
地址
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