| 000 | 00505cam a22001691i 4500 | ||
|---|---|---|---|
| 082 |
_a621.319 _bCOP _cL-4, P-10 |
||
| 110 | 2 |
_aCopper Development Association. _940948 |
|
| 245 | 1 | 0 | _aCopper for earthing. |
| 260 |
_aLondon : _bCopper Development Association, _c1938. |
||
| 300 | _a56 p. | ||
| 500 | _a"C. D. A. publication no. 30." | ||
| 526 |
_a0 _b0 _c0 _d621_319000000000000_COP |
||
| 650 | 0 |
_aCopper. _940949 |
|
| 650 | 0 |
_aElectric currents _xGrounding. _941441 |
|
| 650 | 0 |
_aMCE _9379 |
|
| 942 |
_2ddc _cBK |
||
| 999 |
_c545547 _d545547 |
||