DIN ETS 300133-1:1998-12 Electromagnetic compatibility and Radio spectrum Matters (ERM) - Enhanced Radio MEssage System (ERMES) - Part 1: General aspects; English version ETS 300133-1:1997
1998DIN ETS 300133-1:1998-12 Electromagnetic compatibility and Radio spectrum Matters (ERM) - Enhanced Radio MEssage System (ERMES) - Part 1: General aspects; English version ETS 300133-1:1997
1998DIN ETS 300133-1:1998 Electromagnetic compatibility and Radio spectrum Matters (ERM) - Enhanced Radio MEssage System (ERMES) - Part 1: General aspects; English version ETS 300133-1:1997