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发明名称
Improved cowl for chimneys ventilation shafts and the like
摘要
申请公布号
GB451385(A)
申请公布日期
1936.08.05
申请号
GB19350026294
申请日期
1935.09.23
申请人
HANS VATERLAUS
发明人
分类号
F23L17/02
主分类号
F23L17/02
代理机构
代理人
主权项
地址
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