GB/T 1149.12-2023

Active

Internal combustion engines—Piston rings—Part 12: Half keystone rings made of steel

内燃机 活塞环 第12部分：楔形钢环

Standard Type
GBT
ICS
27.020
CCS
J 92
Status
现行
Issue Date
2023-12-28
Implementation
2024-07-01
Responsible Dept
中国机械工业联合会
Drafting Unit
N/A