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发明名称
Portable irrigation ditch gate
摘要
申请公布号
US3295329(A)
申请公布日期
1967.01.03
申请号
US19640339285
申请日期
1964.01.21
申请人
DEVERILL MAURICE U
发明人
DEVERILL MAURICE U.
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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