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发明名称
Аварийно-ремонтный плоский опускной шлюзовый затвор
摘要
申请公布号
SU112009(A1)
申请公布日期
1957.11.30
申请号
SU19570581906
申请日期
1957.08.12
申请人
CHESNOKOV V.M.
发明人
CHESNOKOV V.M.
分类号
E02C1/00;E02B7/26
主分类号
E02C1/00
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代理人
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