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经营范围
发明名称
Centrifugal pump
摘要
申请公布号
US2698584(A)
申请公布日期
1955.01.04
申请号
US19490110160
申请日期
1949.08.13
申请人
WILLIAM STELZER
发明人
STELZER WILLIAM
分类号
F04D29/14;F16J15/00
主分类号
F04D29/14
代理机构
代理人
主权项
地址
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