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发明名称
Improvements in chimneys
摘要
申请公布号
GB564123(A)
申请公布日期
1944.09.14
申请号
GB19420016284
申请日期
1942.11.18
申请人
HERBERT GORDON DARBY
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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