GB/T 16895.26-2005 Electrical installations of buildings-Part 7-740:Requirements for special installations or locations-structures,amusement devices and booths at fairgrounds,amusement parks and circuses
2005GB/T 16895.26-2005 Electrical installations of buildings-Part 7-740:Requirements for special installations or locations-structures,amusement devices and booths at fairgrounds,amusement parks and circuses