Guidelines for safe work in inert confined spaces in the petroleum and petrhochemical industries API standard 2217A
Guidelines for safe work in inert confined spaces in the petroleum and petrhochemical industries API standard 2217A
2217A
- 4th. ed.
- Washington American Petroleum Institute, API 2009
- vi; 25 p.
= API standard 2217A
Normas API
Normalización
Caja 24-A
Normas API
Normalización
Caja 24-A



