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经营范围
发明名称
Pumping apparatus
摘要
申请公布号
US2151588(A)
申请公布日期
1939.03.21
申请号
US19370150873
申请日期
1937.06.28
申请人
EMERSON OIL CORPORATION
发明人
EMERSON SLOAN A.
分类号
F04B53/14
主分类号
F04B53/14
代理机构
代理人
主权项
地址
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