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发明名称
Water wheel
摘要
申请公布号
US1846086(A)
申请公布日期
1932.02.23
申请号
US19300459810
申请日期
1930.05.28
申请人
CHRISTENSEN AUGUST S
发明人
CHRISTENSEN AUGUST S.
分类号
F03B7/00
主分类号
F03B7/00
代理机构
代理人
主权项
地址
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