Invention Grant US1806602A Flame baffle partition 失效 Basic information Please log in to see more content Basic information Please log in to see more content Flame baffle partition Patent Title: Flame baffle partition Application No.: US1806602D Application Date: Publication No.: US1806602A Publication Date: 1931-05-26 Main IPC: E21F5/00 IPC: E21F5/00 Information query Espacenet IPC分类: E 固定建筑物 E21 土层或岩石的钻进；采矿 E21F 矿井或隧道中或其自身的安全装置，运输、充填、救护、通风或排水 E21F5/00 防尘、粘尘、降尘或除尘的装置或方法；防止爆炸或火灾(防火墙入E21F17/103；一般对表面施用液体或其他流动性材料入B05；废气指示器入G01N)
