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发明名称
Rotary pump
摘要
申请公布号
US2318346(A)
申请公布日期
1943.05.04
申请号
US19410381353
申请日期
1941.03.01
申请人
THE SELAS COMPANY
发明人
WAKEFIELD RICHARD E. B.
分类号
F01C21/08
主分类号
F01C21/08
代理机构
代理人
主权项
地址
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