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经营范围
发明名称
Improvements in or relating to exhaust ventilating hoods for industrial purposes
摘要
申请公布号
GB453650(A)
申请公布日期
1936.09.15
申请号
GB19350004907
申请日期
1935.02.15
申请人
THOMAS COCHRANE ANGUS
发明人
分类号
B08B15/02
主分类号
B08B15/02
代理机构
代理人
主权项
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