2017SY/T 5856-2017 Safety regulations for live work in the oil and gas field electrical industry
2010SY/T 5856-2010 Safety regulations charged for live working in oil and gas fields
1994SY 5856-1993 Safety regulations for live-line work in oil and gas field electrical industry
SY/T 5856-2017 Safety regulations for live work in the oil and gas field electrical industry has been changed from SY 5856-2010 Safety regulations charged for live working in oil and gas fields.