JB/T 8042
📋 Scope / 适用范围 ai_extracted
本标准规定了规格为5.5~19mm 的螺钉用垫板。
📚 References & Relations / 引用与关联
normative_reference
GB/T 699-1988
normative_reference
JB/T 8044-1999
Content extracted by AI. Not officially verified.