专利名称:Air guard 发明人:Mike T. Callas 申请号:US07/959595申请日:19921013
魔法保姆麦克菲1>龙的四字成语公开号:US05292282A 公开日:
中餐菜谱大全100道
19940308
宝宝腹泻症状
专利内容由知识产权出版社提供
怀孕后不能吃什么摘要:An air guard asmbly ud to direct air forced through an overhead air diffur toward the floor of a building. The asmbly has a plurality of elongated linear baffles. Each baffle has a strip of magnetic material that adheres directly to metal ceiling structures to surround and enclo the diffur
within the asmbly. A gripping tool having an elongated handle is ud to locate the baffle adjacent the metal ceiling surface and remove the baffle therefrom. The baffle has a pair of grooves preventing the gripping tool from slipping off the baffle.
申请人:CALLAS; MIKE T.速度的英文
代理机构:Burd, Bartz & Gutenkauf
椭圆焦距是什么更多信息请下载全文后查看广东春季高考