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发明名称
Water wheel
摘要
申请公布号
US1863784(A)
申请公布日期
1932.06.21
申请号
US19300469088
申请日期
1930.07.19
申请人
DARRAH PAUL H
发明人
DARRAH PAUL H.
分类号
F03B17/06
主分类号
F03B17/06
代理机构
代理人
主权项
地址
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