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发明名称
FORMS FOR CONSTRUCTING A CYLINDRICAL TUNNEL
摘要
申请公布号
SU1096363(A1)
申请公布日期
1984.06.07
申请号
SU19833554244
申请日期
1983.02.16
申请人
VLADIMIRSKIJ SERGEJ R,SU
发明人
VLADIMIRSKIJ SERGEJ R,SU
分类号
E04G11/20;(IPC1-7):E04G11/20
主分类号
E04G11/20
代理机构
代理人
主权项
地址
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