QJ 1933-1990 Distribution equipment general technical specification

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GJB 151 GJB 152 GJB 179 QJ 1149 QJ 1239.1-1987 Environmental Test Conditions and Methods for Electronic Equipment - General Principles QJ 1239.2-1987 Electrical equipment environmental test conditions and methods: High temperature test QJ 1239.3-1987 Environmental testing conditions and methods for electronic devices: Low temperature testing QJ 1239.4-1987 Electronic equipment environmental testing conditions and methods: Temperature change test QJ 1239.5-1987 Low-pressure test for electronic equipment environment conditions and methods QJ 1239.7-1987 Electronic equipment environmental testing conditions and methods - Sand and Dust Test QJ 1239.8-1987 Electrical equipment environmental test conditions and methods: Humidity and heat test QJ 1239.9-1987 Electronic equipment environmental testing conditions and methods: Mould test QJ 1239.10-1987 Electrical equipment environmental testing conditions and methods: Salt spray test QJ 1239.12-1987 Environmental Test Conditions and Methods for Electronic Equipment - Noise Test QJ 1239.13-1987 Environmental Test Conditions and Methods for Electronic Equipment - Shock Test QJ 1239.14-1987 Electronic equipment environmental testing conditions and methods - Acceleration test QJ 165 QJ 1823 QJ 548 QJ 628-1981 Electronic instrument packaging case technical specification QJ 786 QJ 787 QJ 788 QJ 789 QJ 815.1 QJ 829 QJ 908-1985 Technical Specifications for the Repair of Electronic Equipment QJ 1239.11-1987 Electrical equipment environmental test conditions and methods - Vibration test GB/T 191-2025 Graphical symbols marking for handling and storage of packages