NB/T 10545-2021 Fiber optic obstacle finder for mine

GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat 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 2423.7-2018 Environmental testing—Part 2:Test methods—Test Ec:Rough handling shocks,primarily for equipment-type specimens GB/T 2423.10-2019 Environmental testing—Part 2:Tests methods—Test Fc:Vibration(sinusoidal) GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB 3836.4-2010 Explosive atmospheres—Part 4:Equipment protection by intrinsic safety "i" MT 210-1990 The basic test methods for electrical products used in coal mine communication, detection, and control MT/T 1051 GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability) GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) 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 22084.2-2008 Secondary cells and batteries containing alkaline or other non-acid electrolytes—Portable sealed rechargeable single cells—Part 2:Nickel-metal hydride GB/T 22084.2-2024 Secondary cells and batteries containing alkaline or other non-acid electrolytes—Secondary sealed cells and batteries for portable applications—Part 2:Nickel-metal hydride AQ 1043-2007 Mining Product Safety Mark Identification GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 2829-2025 Sampling procedures and tables for periodic inspection by attributes(Apply to inspection of process stability)