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发明名称
Improvements in and relating to dampers for flues and the like
摘要
申请公布号
GB565714(A)
申请公布日期
1944.11.23
申请号
GB19430007955
申请日期
1943.05.19
申请人
ERNST LOEWENHEIM
发明人
分类号
F23L13/00
主分类号
F23L13/00
代理机构
代理人
主权项
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