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经营范围
发明名称
Grating for defining and controlling an air screen
摘要
申请公布号
US3023689(A)
申请公布日期
1962.03.06
申请号
US19580779919
申请日期
1958.12.12
申请人
NEW CASTLE PRODUCTS, INC.
发明人
KUREK EDWIN J.
分类号
F24F9/00
主分类号
F24F9/00
代理机构
代理人
主权项
地址
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