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经营范围
发明名称
Low lift air lift
摘要
申请公布号
US2427157(A)
申请公布日期
1947.09.09
申请号
US19460649532
申请日期
1946.02.23
申请人
PIERSOL JOHN A
发明人
PIERSOL JOHN A.
分类号
F04F1/18
主分类号
F04F1/18
代理机构
代理人
主权项
地址
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