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经营范围
发明名称
Self-priming pump
摘要
申请公布号
US2109804(A)
申请公布日期
1938.03.01
申请号
US19310523776
申请日期
1931.03.19
申请人
SAXE ARTHUR C
发明人
SAXE ARTHUR C.
分类号
F04D9/02
主分类号
F04D9/02
代理机构
代理人
主权项
地址
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