MT/T 1249-2025 Explosion-proof leakage test device for mine

GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle) GB/T 2423.5-2019 Environmental testing—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.10-2019 Environmental testing—Part 2:Tests methods—Test Fc:Vibration(sinusoidal) GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.2-2021 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures “d” GB/T 3836.3-2021 Explosive atmospheres—Part 3:Equipment protection by increased safety “e” GB/T 3836.4-2021 Explosive atmospheres—art 4:Equipment protection by intrinsic safety “i” GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB 5590-1985 Mining type flameproof electric magnetic starters GB/T 5590-2008 Low voltage explosion protection electromagnetic starter for mining GB/T 5590-2024 Low voltage explosion protection electromagnetic starter for mining GB/T 5729-2003 Fixed resistors for use in electronic equipment—Part 1:Generic specification GB/T 9969-2008 General principles for preparation of instructions for use of industrial products GB 9969.1-1998 General principles for preparation of instructions for use of industrial products GB/T 10111-1988 Methods for random sampling by utilizing dices of random number GB/T 10111-2008 Generation of random numbers and procedures applied to sampling inspection for product quality GB/T 14048.1-2023 Low-voltage switchgear and controlgear—Part 1:General rules AQ 1043-2007 Mining Product Safety Mark Identification MT/T 871-2011 Mine-used explosion-proof low-voltage AC vacuum feeder switch MT 871-2000 Mine-used explosion-proof low-voltage AC vacuum feeder switch MT/T 899-2000 Information transmission device for coal mine MT/T 1123-2011 Mining explosion-proof integrated lighting and signaling protection device MT/T 1200-2023 Mining explosion-proof lithium-ion battery power safety technical requirements