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| Author | AENOR |
|---|---|
| Editor | AENOR |
| Document type | Standard |
| Format | File |
| ICS | 01.080.30 : Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentatio 01.100.20 : Mechanical engineering drawings 23.040.01 : Pipeline components and pipelines in general 23.060.01 : Valves in general |
| Number of pages | 4 |
| Year | 1950 |
| Country | Spain |