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发明名称
Deep well pump
摘要
申请公布号
US1844485(A)
申请公布日期
1932.02.09
申请号
US19290348156
申请日期
1929.03.19
申请人
C. NORMAN RALEY
发明人
SPELLACY JOSEPH B.;MEAD JOSEPH E.
分类号
F04B47/04
主分类号
F04B47/04
代理机构
代理人
主权项
地址
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