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经营范围
发明名称
Improvements in and relating to steam boilers and furnaces therefor
摘要
申请公布号
GB538776(A)
申请公布日期
1941.08.15
申请号
GB19400004943
申请日期
1940.03.16
申请人
ALEXANDER WALKER
发明人
分类号
F22B9/12
主分类号
F22B9/12
代理机构
代理人
主权项
地址
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