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发明名称
METHOD FOR EXTRACTING PIPE STRING FROM SOIL
摘要
申请公布号
SU1636522(A1)
申请公布日期
1991.03.23
申请号
SU19894636117
申请日期
1989.01.12
申请人
INST GORNOGO DELA SO AN SSSR
发明人
KOSTYLEV ALEKSANDR D,SU;CHERVOV VLADIMIR V,SU;TRUBITSYN VALERIJ V,SU;TKACH KHAIM B,SU;TERIN VLADIMIR M,SU;SMOLYANITSKIJ BORIS N,SU
分类号
E02D9/02
主分类号
E02D9/02
代理机构
代理人
主权项
地址
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