MT/T 515-1995 Method for measuring noise of mining rock roadway excavation machinery equipment

GB/T 3767-1996 Acoustics—Determination of sound power levels of noise sources using sound pressure—Engineering method in an essentially free field over a reflecting plane GB/T 3767-2016 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for an essentially free field over a reflecting plane GB/T 3785-1983 Electric, sonic properties and measuring methods for sound level meters GB/T 3785.1-2010 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 3785.1-2023 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 3785.2-2010 Electroacoustics—Sound level meters—Part 2:Pattern evaluation tests GB/T 3785.2-2023 Electroacoustics—Sound level meters—Part 2:Pattern evaluation tests GB/T 3785.3-2018 Electroacoustics—Sound level meters—Part 3:Periodic tests GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 5898-1986 Measurement of noise emitted by rock drilling machines and pneumatic tools—Engineering method GB/T 5898-2004 Measurement of noise emitted by rock drilling machines and pneumatic tools—Engineering method GB/T 5898-2008 Hand-held non-electric power tools—Noise measurement code—Engineering method(grade 2) MT/T 198-1996 General technical specifications for hydraulic rock drill used in coal mines MT/T 199-1996 General technical specification for hydraulic drill car used in coal mine MT/T 198-2025 General specification of hydraulic rock drill in coal mine MT/T 199-2025 General specification of hydraulic drill jumbo in coal mines