资质认证 ISO 22403:2020 Plastics — Assessment of the intrinsic biodegradability of materials exposed to marine inocula under mesophilic aerobic laboratory conditions — Test methods and requirements 2020-04-15 ISO 787-19:2020 General methods of test for pigments — Part 19: Determination of water-soluble nitrates (Salicylic acid method) 2020-04-15 ISO 13772:2018/Amd 1:2020 Forestry machinery — Portable chain-saws — Non-manually actuated chain brake performance — Amendment 1 2020-04-15 ISO 20819-1:2020 Plastics — Wood-plastic recycled composites (WPRC) — Part 1: Specification 2020-04-15 ISO 23919:2020 Cigarettes — Determination of ammonia in cigarette mainstream smoke using ion chromatography 2020-04-15 ISO 11050:2020 Wheat flour and durum wheat semolina — Determination of impurities of animal origin 2020-04-15 ISO 39002:2020 Road traffic safety — Good practices for implementing commuting safety management 2020-04-15 ISO 22576:2020 Optics and photonics — Optical materials and components — Specification of calcium fluoride used in the infrared spectrum 2020-04-15 ISO 10770-3:2020 Hydraulic fluid power — Electrically modulated hydraulic control valves — Part 3: Test methods for pressure control valves 2020-04-15 ISO/ASTM 52903-1:2020 Additive manufacturing — Material extrusion-based additive manufacturing of plastic materials — Part 1: Feedstock materials 2020-04-15 ISO 11687-3:2020 Plain bearings — Pedestal plain bearings — Part 3: Centre flange bearings 2020-04-15 IEC 63093-9:2020 Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 9: Planar cores 2020-04-15 IEC 62933-5-2:2020 Electrical energy storage (EES) systems - Part 5-2: Safety requirements for grid-integrated EES systems - Electrochemical-based systems 2020-04-15 IEC 60974-10:2020 RLV Arc welding equipment - Part 10: Electromagnetic compatibility (EMC) requirements 2020-04-14 IEC 60974-10:2020 Arc welding equipment - Part 10: Electromagnetic compatibility (EMC) requirements 2020-04-14 ISO 26723:2020 Plastics — Determination of total luminous transmittance and reflectance 2020-04-14 ISO 22688:2020 Brazing — Quality requirements for brazing of metallic materials 2020-04-14 IEC 60050-741:2020 International Electrotechnical Vocabulary (IEV) – Part 741: Internet of Things (IoT) 2020-04-13 IEC 60282-1:2020 High-voltage fuses - Part 1: Current-limiting fuses 2020-04-13 IEC 60401-1:2020 RLV Terms and nomenclature for cores made of magnetically soft ferrites - Part 1: Terms used for physical irregularities and reference of dimensions 2020-04-13