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经营范围
发明名称
Automatic temperature regulator
摘要
申请公布号
US2212760(A)
申请公布日期
1940.08.27
申请号
US19390252438
申请日期
1939.01.23
申请人
FREDERICK UEHLING FRITZ
发明人
UEHLING FRITZ FREDERICK
分类号
G05D23/22
主分类号
G05D23/22
代理机构
代理人
主权项
地址
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