IEC 61156-4-2009 Multicore and symmetrical pair/quad cables for digital communications – Part 4-电线电缆网

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[国外标准] IEC 61156-4-2009 Multicore and symmetrical pair/quad cables for digital communications – Part 4

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IEC 61156-4-2009 Multicore and symmetrical pair/quad cables for digital communications – Part 4: Riser cables-Sectional specification.pdf

IEC 61156-4-2009 Multicore and symmetrical pair/quad cables for digital communications – Part 4: Riser cables-Sectional specification.pdf

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