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经营范围
发明名称
An automatic regulator for hot water systems
摘要
申请公布号
GB410214(A)
申请公布日期
1934.05.17
申请号
GB19320032810
申请日期
1932.11.21
申请人
JOHN HARGER;CHARLES GREENE
发明人
分类号
F24H9/20
主分类号
F24H9/20
代理机构
代理人
主权项
地址
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