GBT50539
GBT50539, Total:2 items.
The international standard classification for "GBT50539" includes: .
The Chinese standard classification for "GBT50539" includes: Petroleum engineering .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 50539-2017 Code of survey for oil and gas transportation pipeline engineering
- GB/T 50539-2009 Specifications of survey for oil and gas transportation pipeline engineering
en50539,clc/ts 50539-12,clc/ts+50539-22,en 50539-11,en+50539-11,en 50539,clc ts+50539-12,en50539-11,en+50539,CLC/TS+50539-12,en50539-11 2013,bs en 50539-11,EN50539 11,EN50539+11,bs+en+50539,dd clc ts 50539,GBT50539,GB/T 50539-2009,GB/T 50539-2017
