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发明名称
Rotary pump
摘要
申请公布号
US2294647(A)
申请公布日期
1942.09.01
申请号
US19400341143
申请日期
1940.06.18
申请人
LESTER H. BROWN
发明人
AMES JOHN S.
分类号
F01C21/08;F04C2/344
主分类号
F01C21/08
代理机构
代理人
主权项
地址
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