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发明名称
Improvements relating to gas-fired water heater
摘要
申请公布号
GB549223(A)
申请公布日期
1942.11.11
申请号
GB19420002635
申请日期
1942.02.27
申请人
JOHN HENRY EWART;EWART & SON LIMITED
发明人
分类号
F24H9/00
主分类号
F24H9/00
代理机构
代理人
主权项
地址
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