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发明名称
Обделка перегонных туннелей метрополитена, составленная из железобетонных блоков прямоугольной формы
摘要
申请公布号
SU110692(A1)
申请公布日期
1956.11.30
申请号
SU19560554826
申请日期
1956.07.09
申请人
SAPRYKIN L.D.;SAPUNENKO K.I.;KHOLODNYJ A.L.
发明人
SAPRYKIN L.D.;SAPUNENKO K.I.;KHOLODNYJ A.L.
分类号
E21D11/08;E21D11/38
主分类号
E21D11/08
代理机构
代理人
主权项
地址
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