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发明名称
Improvements relating to draught-controlling means for domestic fireplaces
摘要
申请公布号
GB742137(A)
申请公布日期
1955.12.21
申请号
GB19530024177
申请日期
1953.09.01
申请人
FREDERICK GEORGE DICKINSON
发明人
分类号
F23L17/00;F24B1/19
主分类号
F23L17/00
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代理人
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