2006MH/T 3011.25-2006 Maintenance for civil aircraft Ground safety Part 25: Oxygen charging for civil aircraft
1998MH 3145.55-1998 Maintenance standards for civil aircraft.Unit 2:Ground safety.Part 55:Charge of oxygen for civil aircraft
MH 3145.55-1998 Maintenance standards for civil aircraft.Unit 2:Ground safety.Part 55:Charge of oxygen for civil aircraft was changed to MH/T 3011.25-2006 Maintenance for civil aircraft Ground safety Part 25: Oxygen charging for civil aircraft.