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发明名称
Rotary pump
摘要
申请公布号
US2521236(A)
申请公布日期
1950.09.05
申请号
US19450629965
申请日期
1945.11.21
申请人
MACPHERSON WILLIAM H
发明人
MACPHERSON WILLIAM H.
分类号
F04C2/344;F04C2/44;F04C15/00
主分类号
F04C2/344
代理机构
代理人
主权项
地址
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