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经营范围
发明名称
Removable ventilating hood construction
摘要
申请公布号
US2874628(A)
申请公布日期
1959.02.24
申请号
US19550506737
申请日期
1955.05.09
申请人
EMERSON-PRYNE COMPANY
发明人
PRYNE RALPH
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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