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发明名称
Способ автоматического пуска водоотливной установки
摘要
申请公布号
SU84372(A1)
申请公布日期
1949.11.30
申请号
SU19360416655
申请日期
1936.12.29
申请人
PERSHIN I.T.
发明人
PERSHIN I.T.
分类号
E21F17/08;E21D1/00
主分类号
E21F17/08
代理机构
代理人
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地址
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