GB 13447
AbolishedSteel blank for seamless gas cylinder
无缝气瓶用钢坯
📚 References & Relations / 引用与关联
normative_reference
GB 10561
normative_reference
GB 1979
normative_reference
GB 2101
normative_reference
GB 222
normative_reference
GB 223
normative_reference
GB 226
normative_reference
GB 228
normative_reference
GB 229