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经营范围
发明名称
Controlling oil or gas fired furnaces over - wide feed-ranges
摘要
<p>A constant regulator is used at high feed-rates and a two-point regulator at low feed rates, and a means is provided for interchange between the two regulators.</p>
申请公布号
DE1902063(A1)
申请公布日期
1970.08.13
申请号
DE19691902063
申请日期
1969.01.16
申请人
发明人
分类号
F23N1/00;F23N1/02
主分类号
F23N1/00
代理机构
代理人
主权项
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