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发明名称
Screen for protecting recreational vehicle heating system
摘要
A screen for covering inlet and/or outlet ducts in a heating system in a recreational vehicle for substantially preventing insects and the like from entering the heating system.
申请公布号
US4934334(A)
申请公布日期
1990.06.19
申请号
US19890293376
申请日期
1989.01.04
申请人
BREESE, RALPH L.
发明人
BREESE, RALPH L.
分类号
F23L17/04
主分类号
F23L17/04
代理机构
代理人
主权项
地址
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