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经营范围
发明名称
Improvements in or relating to water heaters combined with other heat exchangers
摘要
申请公布号
GB1103035(A)
申请公布日期
1968.02.14
申请号
GB19660020252
申请日期
1966.05.06
申请人
发明人
分类号
F24H1/22;F24H1/50;F24H1/52
主分类号
F24H1/22
代理机构
代理人
主权项
地址
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