ISO 561:1989
Current
The latest, up-to-date edition.
Coal preparation plant — Graphical symbols
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English, French
30-11-1989
The symbols have been selected in accordance with the following principles: a) the plants should be widely used; b) the symbols should be easy to draw and readily be distinguishable one from another; c) the principle and not the appearance of any particular type of machine should be represented, d) where a single symbol represents a group of items for which separate symbols are s-tandardized nationally, the ISO symbol should be readily distinguishable from any one of the national symbols.
| Committee |
ISO/TC 27/SC 1
|
| DocumentType |
Standard
|
| Pages |
13
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| DIN 23011-3:2013-12 | Identical |
| PN ISO 561 : 1997 | Identical |
| NFE 04 202-3 : 1996 | Similar to |
| BS 3553:1986 | Similar to |
| UNE 32103:1981 | Identical |
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