DB111228-2025 汽车维修业大气污染物排放标准.pdf

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CEPT T R 20-01 E-1988 Operation of the European Radio-Paging Service《欧洲无线电传呼业务运营 因特肯1968年 1970年在蒙特勒修订 1976年在斯德哥尔摩修订 1979年在奥斯坦德修订》.pdf

CEPT T R 20-02 E-1988 Low-Power Radio Transmitter-Receivers Intended to Provide Voice Radiocommunication in the 27 MHz Band (PR 27 Radio Equipment)《用于在27兆赫波段提供语音无线电通信的低功率无线电发射器－接收器.pdf

CEPT T R 20-03 E-1988 Low-Power Telecommand and Telemetry Equipment Operating on Collective Frequencies in ISM Bands《在ISM波段集体频率上运行的低功率遥测和遥控设备》.pdf

CEPT T R 20-04 E-1988 Low-Power Narrow-Band Telecommand and Telemetry Equipment for Use Outside the ISM Frequency Bands《在ISM波段以外使用的低功率窄带遥测和遥控设备》.pdf

CEPT T R 20-05 E-1988 Low-Power Personal Paging Systems《低功率个人传呼系统》.pdf

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