Chongqing Provincial Standard of the People's Republic of China
Status
2021-11
Latest
DB50/T 581-2015
Scope
This standard applies to tethered balloons for celebrations, gatherings, advertising, scientific experiments and other activities. This standard does not apply to the release of balloons and unmanned free balloons used in meteorological operations.
DB50/T 581-2015 history
2015DB50/T 581-2015 Technical specifications for safe operation of tethered balloons