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发明名称
Болтовое крепление тюбингов тоннельной обделки
摘要
申请公布号
SU81180(A1)
申请公布日期
1948.11.30
申请号
SU19480372979
申请日期
1948.01.17
申请人
GLADKOV A.A.;NOVIKOV YA.N.;CHERKASOV E.E.;YUDOVICH E.Z.
发明人
GLADKOV A.A.;NOVIKOV YA.N.;CHERKASOV E.E.;YUDOVICH E.Z.
分类号
E21D11/14
主分类号
E21D11/14
代理机构
代理人
主权项
地址
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