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发明名称
Molded impeller
摘要
申请公布号
US2454200(A)
申请公布日期
1948.11.16
申请号
US19440558823
申请日期
1944.10.16
申请人
THE SINGER MANUFACTURING COMPANY
发明人
PERKINS KENNETH
分类号
F04D29/32
主分类号
F04D29/32
代理机构
代理人
主权项
地址
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