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经营范围
发明名称
Pumping mechanism
摘要
申请公布号
US2502316(A)
申请公布日期
1950.03.28
申请号
US19480021670
申请日期
1948.04.17
申请人
NATHAN MANUFACTURING COMPANY
发明人
ERIKSON CARL F.
分类号
F16N13/10
主分类号
F16N13/10
代理机构
代理人
主权项
地址
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