| 000 | 00264nam a2200073 4500 | ||
|---|---|---|---|
| 080 |
_a _b |
||
| 245 | _aBS-3238 (part 1) - 1960; Graphical symbols for components of servo-mechanisms part 1 transductors and magnetic amplifiers | ||
| 700 | _aBritish Standards Institution | ||
| 260 |
_aLondon _bBSI _c1960 |
||
| 300 | _a15p | ||
| 999 |
_c24771 _d24771 |
||