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发明名称
Automatic gas and water regulator for water heaters
摘要
申请公布号
GB368004(A)
申请公布日期
1932.03.03
申请号
GB19310002022
申请日期
1931.01.21
申请人
OTTO WILLIAM HAHN
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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