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发明名称
Improved automatic draught regulator for controlling combustion in water heating boilers
摘要
申请公布号
GB510469(A)
申请公布日期
1939.08.02
申请号
GB19380005474
申请日期
1938.02.21
申请人
LEONARD SATCHWELL
发明人
分类号
F23N3/04
主分类号
F23N3/04
代理机构
代理人
主权项
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