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经营范围
发明名称
Geared pump
摘要
申请公布号
US1773814(A)
申请公布日期
1930.08.26
申请号
US19300442288
申请日期
1930.04.07
申请人
M. L. OBERDORFER BRASS COMPANY
发明人
HEDGLON MEAD
分类号
F04C2/18
主分类号
F04C2/18
代理机构
代理人
主权项
地址
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