IEC 61400-6:2020 EN 23fd16ec
Wind energy generation systems - Part 6: Tower and foundation design requirements
现行
发布日期 :
2020-04-21
实施日期 :
IEC 61557-16:2014 EN-FR 5407702d
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c - Equipment for testing, measuring or monitoring of protective measures - Part 16: Equipment for testing the effectiveness of the protective measures of electrical equipment and/or medical electrical equipment
REVISED
发布日期 :
2014-12-11
实施日期 :
ISO/TS 20991:2018 EN 8fa16e58
Space systems — Requirements for small spacecraft
现行
发布日期 :
2018-07-20
实施日期 :
ISO 16729:2013 EN d53f3d16
Soil quality — Digestion of nitric acid soluble fractions of elements
现行
发布日期 :
2013-11-04
实施日期 :
ISO 19407:2023 EN b0b16d18
Footwear — Sizing — Conversion of sizing systems
现行
发布日期 :
2023-06-22
实施日期 :