GB/T 40389-2021

Active

Sintered metal materials, excluding hardmetals—Measurement of surface roughness

烧结金属材料(不包括硬质合金) 表面粗糙度的测定

Standard Type
GBT
ICS
77.160
CCS
H70
Status
现行
Issue Date
2021-08-20
Implementation
2022-03-01
Responsible Dept
中国有色金属工业协会
Drafting Unit
N/A