| 000 | 00416nam a22001337a 4500 | ||
|---|---|---|---|
| 001 | 1756 | ||
| 090 | _a1756 | ||
| 099 |
_tARC _zALEX13666 _fAutre |
||
| 100 | _a20241101ds.d. m||y0frey50 ba | ||
| 200 | _aPresent construction of high frequency tuned microphones. | ||
| 215 |
_a1p. [+1 sch.] _d21X28 ; 21,5X33 |
||
| 300 | _aTexte en anglais. | ||
| 316 |
_aEtat moyen _aOriginal |
||
| 700 |
_aCRANDALL _bI.E. _4070 |
||