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发明名称
Машина для укладки тюбингов в тоннельную обделку
摘要
申请公布号
SU65750(A1)
申请公布日期
1945.11.30
申请号
SU19410003910
申请日期
1941.04.24
申请人
LEBEDEV S.V.
发明人
LEBEDEV S.V.
分类号
E21D11/40
主分类号
E21D11/40
代理机构
代理人
主权项
地址
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