GB/T 9808-1988

Abolished

Series of hydrogeologic and water well drilling tubings

水文水井钻探管材系列

Standard Type
GBT
ICS
75.180.10
CCS
D81
Status
废止
Issue Date
1988-09-05
Implementation
1989-08-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
N/A