资质认证 IEC 61158-5-4:2019 Industrial communication networks - Fieldbus specifications - Part 5-4: Application layer service definition - Type 4 elements 2019-04-09 IEC 61892-2:2019 Mobile and fixed offshore units - Electrical installations - Part 2: System design 2019-04-08 IEC 61892-6:2019 Mobile and fixed offshore units - Electrical installations - Part 6: Installation 2019-04-08 IEC 61892-1:2019 Mobile and fixed offshore units - Electrical installations - Part 1: General requirements and conditions 2019-04-08 IEC 61892-5:2019 Mobile and fixed offshore units - Electrical installations - Part 5: Mobile units 2019-04-08 IEC 61892-7:2019 Mobile and fixed offshore units - Electrical installations - Part 7: Hazardous areas 2019-04-08 IEC 61892-4:2019 Mobile and fixed offshore units - Electrical installations - Part 4: Cables 2019-04-08 IEC 61892-3:2019 Mobile and fixed offshore units - Electrical installations - Part 3: Equipment 2019-04-08 IEC 61892-1:2019 RLV Mobile and fixed offshore units - Electrical installations - Part 1: General requirements and conditions 2019-04-08 ISO 7905-3:2019 Plain bearings — Bearing fatigue — Part 3: Test on plain strips of a metallic multilayer bearing material 2019-04-08 ISO 14174:2019 Welding consumables — Fluxes for submerged arc welding and electroslag welding — Classification 2019-04-08 IEC 62271-109:2019 High-voltage switchgear and controlgear - Part 109: Alternating-current series capacitor by-pass switches 2019-04-07 IEC 60810:2017+AMD1:2019 CSV Lamps, light sources and LED packages for road vehicles - Performance requirements 2019-04-07 IEC 62271-109:2019 RLV High-voltage switchgear and controlgear - Part 109: Alternating-current series capacitor by-pass switches 2019-04-07 IEC 60810:2017/AMD1:2019 Amendment 1 - Lamps, light sources and LED packages for road vehicles - Performance requirements 2019-04-07 ISO/TS 54001:2019 Quality management systems — Particular requirements for the application of ISO 9001:2015 for electoral organizations at all levels of government 2019-04-07 IEC 62047-33:2019 Semiconductor devices - Micro-electromechanical devices - Part 33: MEMS piezoresistive pressure-sensitive device 2019-04-04 IEC 61754-7-3:2019 Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 7-3: Type MPO connector family - Two fibre rows 16 fibre wide 2019-04-04 IEC TR 62669:2019 Case studies supporting IEC 62232 - Determination of RF field strength, power density and SAR in the vicinity of radiocommunication base stations for the purpose of evaluating human exposure 2019-04-04 IEC 62047-34:2019 Semiconductor devices - Micro-electromechanical devices - Part 34: Test methods for MEMS piezoresistive pressure-sensitive device on wafer 2019-04-04