| 000 | 00574nam a22001337a 4500 | ||
|---|---|---|---|
| 999 |
_c3323 _d3323 |
||
| 003 | OSt | ||
| 005 | 20200228142740.0 | ||
| 008 | 200228b ||||| |||| 00| 0 eng d | ||
| 040 | _cNational Acoustics Laboratories | ||
| 110 | _aInternational Telecommunication Union | ||
| 245 | _aP.342. Series P: Telephone transmission quality, telephone installations, local line networks. Subscribers lines and sets. Transmission characteristics for telephone band (300-3400 Hz) digital louspeaking and hands-free telephony terminals | ||
| 260 |
_aGeneva _bITU _cMay 2000 |
||
| 942 |
_2udc _cBOOK |
||