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经营范围
发明名称
Irrigation pump
摘要
申请公布号
US2209652(A)
申请公布日期
1940.07.30
申请号
US19380222032
申请日期
1938.07.29
申请人
J. B. FRASER
发明人
JOHNSEN HOLGER ADOLF EDVARD
分类号
F04D15/00
主分类号
F04D15/00
代理机构
代理人
主权项
地址
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