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发明名称
ARRANGEMENT FOR FILLING UP EXCAVATED SPACE
摘要
申请公布号
SU1339259(A1)
申请公布日期
1987.09.23
申请号
SU19864058117
申请日期
1986.04.17
申请人
VNI PK UGOLNYJ INSTITUT
发明人
KLEPTSOV FELIKS M,SU;SAMUSEV VLADIMIR F,SU;NESTEROVA NELYA M,SU
分类号
E21F15/08
主分类号
E21F15/08
代理机构
代理人
主权项
地址
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