| 000 | 00560nam a2200181ua 4500 | ||
|---|---|---|---|
| 003 | AR-SsjUCA | ||
| 005 | 20250715141521.0 | ||
| 008 | 250228s1973 xxk 000 0 eng d | ||
| 040 |
_aAR-SsjUCA _bspa _cAR-SsjUCA |
||
| 110 | 2 |
_aNational Coal Board (Gran Bretaña) NCB _930645 |
|
| 245 | 1 | 0 | _aSurveying practice. |
| 260 |
_aLondon : _bNational Coal Board : _bMining Department, _c1973. |
||
| 500 | _aCab. Port. NCB (Mining) codes and rules. | ||
| 500 | _aIncluye 28 figuras. | ||
| 650 | 4 |
_aTopografía _93334 |
|
| 655 | 4 |
_aTexto _924088 |
|
| 999 |
_c18727 _d18727 |
||