General Technical Specifications for Comprehensive Backup Protection Devices for Surface Shaft Hoists in Coal Mines, MT 407-1995

GB/T 13926.2 GB/T 13926.3 GB/T 13926.4 GB 156-2003 Standard voltages GB/T 156-2007 Standard voltages GB/T 156-2017 Standard voltages GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2681-1981 Colors of insulated conductors used in electrical assembly devices GB/T 2682-1981 Colors of indicator lights and push-buttons used in electrical assembly devices GB/T 5080.1-1986 Equipment reliability testing—General requirements GB/T 5080.1-2012 Reliability testing—Part 1:Test conditions and statistical test principles GB/T 5080.2-1986 Equipment reliability testing—Guidance for the design of test cycles GB/T 5080.2-2012 Reliability testing—Part 2:Design of test cycles GB/T 5080.4-1985 Equipment reliability testing—Procedure for point estimates and confidence intervals from reliability determination tests(Exponental distribution) GB/T 5080.5-1985 Equipment reliability testing—compliance test plans for success ratio GB/T 5080.6-1996 Equipment reliability testing—Tests for the validity of a constant failure rate assumption GB/T 5080.7-1986 Equipment reliability testing Compliance test plans for failure rate and mean time between failures assuming constant failure rate GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/Z 156-2025 Good practice for dynamic light scattering(DLS) measurements