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发明名称
Nozzle for using pressure under liquids
摘要
申请公布号
US2442991(A)
申请公布日期
1948.06.08
申请号
US19460647526
申请日期
1946.02.14
申请人
CHARLES ALLEN
发明人
ALLEN CHARLES
分类号
A47L15/10
主分类号
A47L15/10
代理机构
代理人
主权项
地址
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