GB/T 4251-2004
Machine reamers with parallel shanks for hardmetal
硬质合金直柄机用铰刀
📚 References & Relations / 引用与关联
normative_reference
GB/T 4246
normative_reference
GB/T 4246-2004
normative_reference
GB/T 4253
normative_reference
ISO 522