| 000 | 004130000a22001450004500 | ||
|---|---|---|---|
| 027 |
_aBS 4847 : 1972 _q1972 |
||
| 041 | _aeng | ||
| 080 | _a681.84 : 531.77 | ||
| 942 | _cSD | ||
| 110 | _aBRITISH STANDARDS INSTITUTION | ||
| 245 | _aBS 4847 : 1972 : Meathod of measurement of spedd fluctuations in sound recording and reproducing equipment | ||
| 260 |
_aLondon _bB.S.I. _c1972 |
||
| 300 | _a8p. | ||
| 500 | _aSTD1871 | ||
| 999 |
_c24625 _d24625 |
||