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发明名称
Pump
摘要
申请公布号
US2648287(A)
申请公布日期
1953.08.11
申请号
US19490099186
申请日期
1949.06.15
申请人
THOMPSON PRODUCTS, INC.
发明人
分类号
F04C2/40;F04C15/00
主分类号
F04C2/40
代理机构
代理人
主权项
地址
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