标 准 编 号：JIS K7138-2006 简体中文标题：硬质泡沫塑料.开口和封闭气室容积百分数测定 繁体中文标题：硬质泡沫塑料.开口和封闭气室容积百分数测定 English Name：Rigid cellular plastics -- Determination of the volume percentage of open cells and of closed cells