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发明名称
AIR PRE-HEATER AND DAMPER ARRANGEMENT FOR OIL FURNACES
摘要
申请公布号
CA494148(A)
申请公布日期
1953.07.07
申请号
CAD494148
申请日期
申请人
WILLIAM G. MILLER;LORNE F. KNIGHT
发明人
LORNE F. KNIGHT;WILLIAM G. MILLER
分类号
主分类号
代理机构
代理人
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