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经营范围
发明名称
Fluid pump
摘要
申请公布号
US2435326(A)
申请公布日期
1948.02.03
申请号
US19450580667
申请日期
1945.03.02
申请人
THE DUFF-NORTON MANUFACTURING COMPANY
发明人
SCHWERIN FRANK H.
分类号
B66F3/42;F04B49/18
主分类号
B66F3/42
代理机构
代理人
主权项
地址
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