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发明名称
Rotary pump
摘要
申请公布号
US2023608(A)
申请公布日期
1935.12.10
申请号
US19330660828
申请日期
1933.03.15
申请人
FRANZ NEBEL
发明人
NEBEL FRANZ
分类号
F04C2/46
主分类号
F04C2/46
代理机构
代理人
主权项
地址
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