| ID | 135168 |
| Call Number | ILO/S.R.F.3/202694 |
| Title Proper | Hydro-extractors : Their safe construction and equipment |
| Language | ENG |
| Author | International Labour Office |
| Publication | Geneva, International Labor Organisation, 1929. |
| Description | 101p 24 cm |
| Series | Studies and report series F-3 |
| Price. Qualification | Sh.4.00(SIS Gift) |
| Classification Number | ILO |
| Key Words | ILO |