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发明名称
METHOD FOR CONSTRUCTING CANAL
摘要
申请公布号
SU1645515(A1)
申请公布日期
1991.04.30
申请号
SU19874214213
申请日期
1987.03.24
申请人
VNII GIDROTEKH MELIORAT
发明人
BEDRETDINOV GAYAR KH,SU;KOKOZ VLADIMIR A,SU;SUKHORUKOV VASILIJ S,SU
分类号
E21C41/26;E02B5/02
主分类号
E21C41/26
代理机构
代理人
主权项
地址
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