Ferroniobium — Specification and conditions of delivery
铌铁——交货规格和条件
发布日期:
1980-12-01
指通常用于炼钢和铸造的铌铁。规定定义、订购信息、要求、测试、发货和储存。
Refers to ferroniobium usually supplied for steelmaking and foundry use. Specifies definition, information for ordering, requirements, testing, despatch and storage.