DIN EN 300631-2000 固定无线电系统.点对点天线.1GHz至3GHz频带中点对点固定无线电系统用天线
Fixed Radio Systems - Point-to-Point-Antennas - Antennas for Point-to-Point fixed radio systems in the 1 GHz to 3 GHz band (Endorsement of the English version EN 300631 V 1.2.1 (1999-12) as German standard)