GB/T 21539-2008

Active

Cement-purpose PU piston

混凝土泵用聚氨酯活塞

Standard Type
GBT
ICS
83.140.99
CCS
G47
Status
现行
Issue Date
2008-04-07
Implementation
2008-10-01
Responsible Dept
中国石油和化学工业联合会
Drafting Unit
N/A