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发明名称
Grease extracting ventilator system
摘要
申请公布号
US3324629(A)
申请公布日期
1967.06.13
申请号
US19630261256
申请日期
1963.02.27
申请人
DOHRMANN HOTEL SUPPLY CO.
发明人
GRASWICH EDWARD;CEDARQUIST JACK W.
分类号
F24C15/20
主分类号
F24C15/20
代理机构
代理人
主权项
地址
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