材料符号 meaning in English

code for materials

Founding . designation system for cast iron . material symbols and material numbers
铸造.铸铁的命名体系.材料符号及材料编号
Symbols for plastics and rubber materials - schedule for symbols for compounding ingredients
塑料和橡胶材料符号.第3部分:配料成分符号一览表
Founding - designation system for cast iron - material symbols and material numbers ; german version en 1560 : 1997
铸造.铸铁命名制度.材料符号和牌号