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发明名称
Control mechanism for steam heating systems
摘要
申请公布号
US2140079(A)
申请公布日期
1938.12.13
申请号
US19350002279
申请日期
1935.01.17
申请人
JENNINGS IRVING C
发明人
JENNINGS IRVING C.
分类号
F24D19/10
主分类号
F24D19/10
代理机构
代理人
主权项
地址
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