BS EN IEC 60794-1-131 Optical fibre cables - Part 1-131. Generic specification. Basic optical cable test procedures. Mechanical tests methods. Microduct inner clearance test, Method E31

BS EN IEC 60794-1-131 Optical fibre cables - Part 1-131. Generic specification. Basic optical cable test procedures. Mechanical tests methods. Microduct inner clearance test, Method E31

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