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发明名称
BLIND CANAL FOR LAYING LIQUID-CARRYING PIPELINES
摘要
申请公布号
SU652278(A1)
申请公布日期
1979.03.15
申请号
SU19762415847
申请日期
1976.10.11
申请人
GORDIN ALEKSANDR YA,SU;NASEDKIN SERGEJ P,SU
发明人
GORDIN ALEKSANDR YA,SU;NASEDKIN SERGEJ P,SU
分类号
E02D29/00;F16L1/028;(IPC1-7):E02D29/10
主分类号
E02D29/00
代理机构
代理人
主权项
地址
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