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发明名称
Economizer for use with oil fired forced draft domestic heating furnaces
摘要
申请公布号
US2575862(A)
申请公布日期
1951.11.20
申请号
US19500149189
申请日期
1950.03.11
申请人
CARLSON WILMER J
发明人
CARLSON WILMER J.
分类号
F23L15/04
主分类号
F23L15/04
代理机构
代理人
主权项
地址
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