YD/T 3570.1-2019 English PDF
Basic dataStandard ID: YD/T 3570.1-2019 (YD/T3570.1-2019)Description (Translated English): (Measurement of polarization-maintaining optical fibers for communication. Part 1: Beat length) Sector / Industry: Telecommunication Industry Standard (Recommended) Date of Issue: 2019-11-11 Date of Implementation: 2020-01-01 Regulation (derived from): Announcement No. 48 of 2019 from the Ministry of Industry and Information Technology Issuing agency(ies): Ministry of Industry and Information Technology |