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经营范围
发明名称
DEVICE FOR SUPPORTING PITS
摘要
申请公布号
SU1715981(A1)
申请公布日期
1992.02.28
申请号
SU19894762336
申请日期
1989.11.22
申请人
G PROEKTNO-IZYSKATELSKIJ I "METROGIPROTRANS"
发明人
MOLODTSOV GEORGIJ V,SU;MOLODTSOV VLADIMIR G,SU
分类号
E02D7/24
主分类号
E02D7/24
代理机构
代理人
主权项
地址
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