MT/T 758-1997 General technical conditions of automatic electric water-spouting fire extinguishing system for coal mine belt conveyer

GB/T 2423.1-1989 GB/T 2423.2-1989 GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products—Test Db:Damp heat, cyclic GB/T 2423.5-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.10-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Fc and guidance:Vibration (Sinusoidal) GB 3836.1-1983 GB 3836.2-1983 GB 3836.3-1983 GB 3836.4-1983 GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 10111-1988 Methods for random sampling by utilizing dices of random number MT 210-1990 The basic test methods for electrical products used in coal mine communication, detection, and control MT 382-1995 Mining smoke sensor general technical specification MT/T 408-1995 Coal mine DC voltage stabilizer power supply MT 443-1995 Sensor for Underground Coal Mine Environment Monitoring General Technical Requirements MT/T 627-1996 General Technical Requirements for Automatic Water Spray Fire Extinguishing Systems with Fusible Alloy for Coal Mine Belt Conveyors