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经营范围
发明名称
Vortex tube with internal cooling
摘要
申请公布号
US2955432(A)
申请公布日期
1960.10.11
申请号
US19590816888
申请日期
1959.05.29
申请人
SHELL OIL COMPANY
发明人
HARDEBOL JACOBUS;HENDAL WILLEM P.
分类号
F25B9/04
主分类号
F25B9/04
代理机构
代理人
主权项
地址
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