Chongqing Provincial Standard of the People's Republic of China
Latest
DB50/T 497-2013
Scope
This standard specifies the technical requirements for sampling compressed natural gas for vehicles. This standard applies to on-site sampling inspection of compressed natural gas as vehicle fuel with a pressure not greater than 25MPa.
DB50/T 497-2013 history
2013DB50/T 497-2013 On-site sampling method of compressed natural gas for vehicles