Mes: Diciembre - 1981
| Código | Título | Fecha publicación | Estado | Carro de compras |
|---|---|---|---|---|
| ISO 619:1981 |
Manganese ores -- Determination of chromium content -- Diphenylcarbazide photometric method and silver persulphate titrimetric method
|
01/12/1981 | Vigente | |
| ISO 6536:1981 |
Bank operations -- Standard scheme for drawing lists
|
01/12/1981 | No Vigente | |
| ISO 70:1981 |
Cinematography -- 35 mm negative photographic sound record on 35 mm motion-picture film -- Position and maximum width dimensions
|
01/12/1981 | Vigente | |
| ISO 7130:1981 |
Earth-moving machinery -- Guide to procedure for operator training
|
01/12/1981 | No Vigente | |
| ISO 756-1:1981 |
Propan-2-ol for industrial use -- Methods of test-- Part 1: General
|
01/12/1981 | Vigente |