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ISO 2110:1989/AMD1:1991

Information technology - Data communication - 25-pole DTE/DCE interface connector and contact number assignments - Amendment 1: Interface connector and contact number assignments for a DTE/DCE interface for data signalling rates above 20 000 bit/s per second

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18.00 € 

ISO 2110:1989

Information technology - Data communication - 25-pole DTE/DCE interface connector and contact number assignments

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96.00 €