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经营范围
发明名称
Cooling tower
摘要
申请公布号
US2791408(A)
申请公布日期
1957.05.07
申请号
US19550535865
申请日期
1955.09.22
申请人
FRANK LEWIS
发明人
LEWIS FRANK
分类号
F28C1/04
主分类号
F28C1/04
代理机构
代理人
主权项
地址
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