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发明名称
TEMPORARY PNEUMATIC COFFERDAM FOR MINE WORKINGS
摘要
申请公布号
SU605984(A1)
申请公布日期
1978.05.05
申请号
SU19762392456
申请日期
1976.08.02
申请人
VNII GORNOJ GEOMEKHANIKI MARKSHEJDERSKOGO DELA
发明人
BASINSKIJ YURIJ M,SU;CHARKOV VIKTOR P,SU;MOROZOV MIKHAIL P,SU;MAZUR-DZHURILOVSKIJ YURIJ D,SU
分类号
E21F1/14;(IPC1-7):E21F1/14
主分类号
E21F1/14
代理机构
代理人
主权项
地址
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