GB/T 1655-2006

Sulphur Black 3B, 4B, 3BR, 2RB

硫化黑3B、4B、3BR、2RB

Standard Type
GBT
ICS
N/A
CCS
N/A
Status
N/A
Issue Date
N/A
Implementation
N/A
Responsible Dept
N/A
Drafting Unit
N/A