Microporous rubber separator for lead acid storage batteries 铅酸蓄电池微孔橡胶隔板
2.
Rubber used in preformed gaskets for weather exclusion from buildings - specification for non - cellular gaskets 建筑物风雨防护用预制橡胶衬垫.第1部分:非微孔橡胶衬垫规范
3.
Standard specification for preformed sponge rubber cork and recycled pvc expansion joint fillers for concrete paving and structural construction 混凝土铺面和结构建筑用预制微孔橡胶软木和可回收的pvc膨胀接缝填料的标准规范
