BS EN 288-1:1992-Specification and approval of welding procedures for metallic materials, part 1

اختصاصی از فی موو BS EN 288-1:1992-Specification and approval of welding procedures for metallic materials, part 1 دانلود با لینک مستقیم و پر سرعت .

فرمت فایل: pdf

BS EN 288-1:1992-Specification and approval of welding procedures for metallic materials

Part 1: General rules for fusion welding

IEC 62349:2014:Guidance of measurement methods and test procedures – Basic tests for polarization-maintaining optical fibres IE

اختصاصی از فی موو IEC 62349:2014:Guidance of measurement methods and test procedures – Basic tests for polarization-maintaining optical fibres IEC دانلود با لینک مستقیم و پر سرعت .

IEC TR 62349:2014:Guidance of measurement methods and test procedures – Basic tests for polarization-maintaining optical fibres IE