Acronyms von A bis Z
D.65
Empfehlung der "CCITT"/"ITU" von 1988: General charging and accounting principles in the international telex service for multi-address messages via store-and-forward units
Empfehlung der "CCITT"/"ITU" von 1988: General charging and accounting principles in the international telex service for multi-address messages via store-and-forward units