IS 1339

IS 1339 (电缆护套用铅及铅合金)· IS (印度) · 3 种材料

名称 材料组别
Pb 98,8 Grade 1 铅 chevron_right
Pb 99 Grade 2 铅 chevron_right
Pb 99 Grade 4 铅 chevron_right