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发明名称
Improvements in or relating to hot water systems and water heaters for use therewith
摘要
申请公布号
GB847355(A)
申请公布日期
1960.09.07
申请号
GB19550032339
申请日期
1955.11.11
申请人
发明人
分类号
F24D17/00;F24D19/10
主分类号
F24D17/00
代理机构
代理人
主权项
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