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经营范围
发明名称
Rotary pump
摘要
申请公布号
US1881575(A)
申请公布日期
1932.10.11
申请号
US19310506594
申请日期
1931.01.05
申请人
HERZOG CARL W
发明人
HERZOG CARL W.
分类号
F04C3/06
主分类号
F04C3/06
代理机构
代理人
主权项
地址
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