DIN EN 301128:2001-10
Отменен
Fixed radio systems - Point-to-point equipment - Plesiochronous Digital Hierarchy (PDH); Low and medium capacity digital radio systems operating in the 13 GHz, 15 GHz and 18 GHz frequency bands (Endorsement of the English version EN 301128 V 1.1.2 (2000-06) as German Standard)
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