
Tests For Electric And Optical Fibre Cables Under Fire Conditions - Circuit Integrity - Part 21 - Procedures And Requirements - Cables Of Rated Voltage Up To And Including 0,6/1,0 Kv
出版:Interstandard (Russia)

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Tests For Electric And Optical Fibre Cables Under Fire Conditions - Circuit Integrity - Part 21 - Procedures And Requirements - Cables Of Rated Voltage Up To And Including 0,6/1,0 Kv
出版:Interstandard (Russia)
专家解读视频