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发明名称
Hot water heaters and control valves therefor
摘要
申请公布号
US2848169(A)
申请公布日期
1958.08.19
申请号
US19560579001
申请日期
1956.04.18
申请人
THE DOLE VALVE COMPANY
发明人
OBERMAIER FRANK E.
分类号
G05D23/12
主分类号
G05D23/12
代理机构
代理人
主权项
地址
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