GB/T 20020-2013

Abolished

Fumed silica

气相二氧化硅

Standard Type
GBT
ICS
83.040.20
CCS
G49
Status
废止
Issue Date
2013-09-06
Implementation
2014-01-31
Responsible Dept
中国石油和化学工业联合会
Drafting Unit
N/A