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download between 0-24 hoursReleased: 1989
ISO 561:1989
ISO 561:1989-Coal preparation plant-Graphical symbols
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English PDF
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127.78 USD
English Hardcopy
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127.78 USD
French PDF
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127.78 USD
French Hardcopy
In stock
127.78 USD
Standard´s number: | ISO 561:1989 |
Pages: | 13 |
Edition: | 2 |
Released: | 1989 |
DESCRIPTION
ISO 561:1989
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.