GB/T 4257-2004

Active

Core drills--Technical requirements

扩孔钻 技术条件

Standard Type
GBT
ICS
25.100.30
CCS
J41
Status
现行
Issue Date
2004-02-10
Implementation
2004-08-01
Responsible Dept
中国机械工业联合会
Drafting Unit
中国机械工业联合会

📚 References & Relations / 引用与关联

normative_reference GB/T 1142
normative_reference GB/T 1142-
normative_reference GB/T 4256
normative_reference GB/T 4256-2004
normative_reference ISO 3314
normative_reference ISO 7079