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发明名称
METHOD OF CONSTRUCTION OF CANALS IN PEAT DEPOSITS IN WINTER SEASON
摘要
申请公布号
RU1776312(C)
申请公布日期
1992.11.15
申请号
SU19904878755
申请日期
1990.10.31
申请人
TVERSKOJ POLT INSTITUT
发明人
KOSOV VLADIMIR I,SU;IVANOV VLADIMIR N,SU;ZADERENKO OLEG I,SU
分类号
E21C49/00;E02B11/00
主分类号
E21C49/00
代理机构
代理人
主权项
地址
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