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发明名称
Heating system control means
摘要
申请公布号
US2057309(A)
申请公布日期
1936.10.13
申请号
US19350035989
申请日期
1935.08.13
申请人
PENN ELECTRIC SWITCH CO.
发明人
PERSONS LAWRENCE M.
分类号
G01K5/62;G01K5/68
主分类号
G01K5/62
代理机构
代理人
主权项
地址
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