专利名称：Gas fired furnace 发明人：William N. Powis 申请号：US06/794244
申请日：19851031
index公开号：US04674475A
oem是什么意思公开日：
郑州外国语学校国际部19870623
rushhour
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国际民航组织busted摘要：A direct-fired make-up furnace compris a cabinet which hous an air blower.
tlsA gas fired burner located in a sloped passage, which is formed by walls of a return air compartment and a by-pass air compartment, radiates heat at an angle relative to the blower. The return air compartment substantially blocks direct radiation of the burner. An exit opening of the by-pass air compartment is located between the burner and the blower.文胸英文
申请人：FL INDUSTRIES, INC.no buts
代理人：Elliot M. Olstein,Raymond J. Lillie
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