GB/T 4844-2025

Active

Pure helium，hing purity helium and ultra purity helium

纯氦、高纯氦和超纯氦

Standard Type
GBT
ICS
71.100.20
CCS
G86
Status
现行
Issue Date
2025-10-31
Implementation
2026-05-01
Responsible Dept
中国石油和化学工业联合会
Drafting Unit
N/A