ISO 17322:2015 EN fe3d5d27
Fertilizers and soil conditioners — Analytical methods for Sulfur Coated Urea (SCU)
现行
发布日期 :
2015-06-03
实施日期 :
IEC 63300:2023 EN-FR b9590c27
Test methods for electrical and magnetic properties of magnetic powder cores
现行
发布日期 :
2023-06-27
实施日期 :
ISO 5638:1978 EN 27b2c32b
Solid fibreboard — Determination of grammage of single layers
现行
发布日期 :
1978-10-01
实施日期 :
IEC 60255-27:2023 CMV EN d14477a1
Measuring relays and protection equipment - Part 27: Product safety requirements
现行
发布日期 :
2023-02-07
实施日期 :
IEC 61249-2-45:2018 EN 10423b27
Materials for printed boards and other interconnecting structures - Part 2-45: Reinforced base materials clad and unclad - Non-halogenated epoxide non-woven/woven E-glass reinforced laminate sheets of thermal conductivity 1,0 W/(m?K) and defined flammability (vertical burning test), copper-clad for lead-free assembly
现行
发布日期 :
2018-01-10
实施日期 :
ISO 21773:2021 EN f27d52e3
Methods of test and characterization of performance for energy recovery components
现行
发布日期 :
2021-06-18
实施日期 :