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经营范围
发明名称
Improvements in boiler furnaces
摘要
申请公布号
GB737565(A)
申请公布日期
1955.09.28
申请号
GB19520007128
申请日期
1952.03.19
申请人
WILLIAM HERBERT SMITH
发明人
分类号
F24H1/26
主分类号
F24H1/26
代理机构
代理人
主权项
地址
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