ITU-T K.20 Amendment 1
New Appendix I - Floating transverse power induction and earth potential rise test for ports connected to external symmetric pair cables transversal flotante y de subida del potencial de tierra para puertos conectados a cables de pares simétricos externos
现行
发布日期 :
2012-11-01
实施日期 :
DIN EN 4884
Aerospace series - Steel X3CrNiMoAl (1.4534) - Vacuum induction melted and consumable electrode remelted - Solution treated and precipitation treated - Bars for machining - a or D 200 mm - 1 200 MPa R<(Index)>m 1 350 MPa; German and English version EN 4884:2022
现行
发布日期 :
2001-03-01
实施日期 :