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IEC 61753-052-6 2016 Fibre optic interconnecting devices and passive components - Performance standard - Part 052-6 Single-mode fibre non-connectorized fixed attenuator - Category O in outside plant e
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IEC 61753-052-6 2016 Fibre optic interconnecting devices and passive components - Performance standard - Part 052-6 Single-mode fibre non-connectorized fixed attenuator - Category O in outside plant e
