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发明名称
Rotary pump
摘要
申请公布号
US1853430(A)
申请公布日期
1932.04.12
申请号
US19300429962
申请日期
1930.02.20
申请人
VIKING PUMP COMPANY
发明人
JENSEN AMOS VERNER
分类号
F04C2/10
主分类号
F04C2/10
代理机构
代理人
主权项
地址
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