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发明名称
Thermostat controls for heating plants
摘要
申请公布号
US1954763(A)
申请公布日期
1934.04.10
申请号
US19320633985
申请日期
1932.09.20
申请人
ARMSTRONG CHARLES E
发明人
ARMSTRONG CHARLES E.
分类号
F23N3/04
主分类号
F23N3/04
代理机构
代理人
主权项
地址
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