JT/T 32.5-1993 Transportation industry workers technical grade standard navigation mark aerial survey navigation mark charging worker (English Version)
This standard specifies the levels, knowledge, skills and work examples of beacon chargers. This standard applies to the training, assessment and use of navigation mark chargers who are engaged in the charging and maintenance of navigation mark batteries.
JT/T 32.5-1993 history
1970JT/T 32.5-1993 Transportation industry workers technical grade standard navigation mark aerial survey navigation mark charging worker