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经营范围
发明名称
Irrigation weir
摘要
申请公布号
US1772518(A)
申请公布日期
1930.08.12
申请号
US19280265084
申请日期
1928.03.27
申请人
PARDINI FRANK J
发明人
PARDINI FRANK J.
分类号
E02B13/02
主分类号
E02B13/02
代理机构
代理人
主权项
地址
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