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经营范围
发明名称
Pumping apparatus
摘要
申请公布号
US2737119(A)
申请公布日期
1956.03.06
申请号
US19510227845
申请日期
1951.05.23
申请人
PERFECT CIRCLE CORPORATION
发明人
HILL ROBERT H.
分类号
F04C2/107
主分类号
F04C2/107
代理机构
代理人
主权项
地址
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