| 000 | 00469 a2200241 4500 | ||
|---|---|---|---|
| 001 | 281930 | ||
| 020 | _a | ||
| 041 | _aeng | ||
| 080 | _aDBSI 6418 : 1983 | ||
| 245 | _aSpecification for cordless audio transmission devices using infra-red radiation | ||
| 250 | _a | ||
| 260 | _aLondon | ||
| 260 | _bBSI | ||
| 260 | _c1983 | ||
| 300 | _a3 p. | ||
| 300 | _c | ||
| 856 | _u | ||
| 490 | _aBSI 6418 : 1983 | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _a | ||
| 942 | _cPP | ||
| 942 | _2UDC | ||
| 999 |
_c241666 _d241666 |
||