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发明名称
Sluice-gate for weirs
摘要
申请公布号
US1847933(A)
申请公布日期
1932.03.01
申请号
US19290368031
申请日期
1929.06.03
申请人
MASCHINENFABRIK AUGSBURGNURNBERG A. G.
发明人
DUWE FRIEDRICH
分类号
E02B7/36
主分类号
E02B7/36
代理机构
代理人
主权项
地址
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