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发明名称
Боковое уплотняющее устройство в плоских затворах гидротехнических сооружений
摘要
申请公布号
SU43840(A1)
申请公布日期
1935.07.31
申请号
SU19340155525
申请日期
1934.10.15
申请人
BELOKRYS B.P.
发明人
BELOKRYS B.P.
分类号
E02B7/54
主分类号
E02B7/54
代理机构
代理人
主权项
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