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经营范围
发明名称
Pumping unit
摘要
申请公布号
US2149454(A)
申请公布日期
1939.03.07
申请号
US19370135361
申请日期
1937.04.07
申请人
WORTHINGTON PUMP AND MACHINERY CORPORATION
发明人
JR. BARTLEY R. MCBATH,
分类号
F04D9/04
主分类号
F04D9/04
代理机构
代理人
主权项
地址
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