DIN ETS 300067:1992-03 Radio equipment and systems; radiotelex equipment operating in the maritime MF/HF service; technical characteristics and methods of measurement; english version ETS 300067:1990
1994DIN ETS 300067/A1:1994-08 Radio equipment and systems (RES) - Radiotelex equipment operating in the maritime MF/HF service - Technical characteristics and methods of measurement; English version ETS 300067:1990/A1:1993
1994DIN ETS 300067/A1:1994 Radio equipment and systems (RES) - Radiotelex equipment operating in the maritime MF/HF service - Technical characteristics and methods of measurement; English version ETS 300067:1990/A1:1993
1992DIN ETS 300067:1992-03 Radio equipment and systems; radiotelex equipment operating in the maritime MF/HF service; technical characteristics and methods of measurement; english version ETS 300067:1990
1992DIN ETS 300067:1992 Radio equipment and systems; radiotelex equipment operating in the maritime MF/HF service; technical characteristics and methods of measurement; english version ETS 300067:1990