228822

ISO 561:1989

Coal preparation plant -- Graphical symbols

standard by International Organization for Standardization , 12/01/1989

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Full Description

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.

 

Product Details

Published:
12/01/1989
Number of Pages:
13
File Size:
1 file , 500 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus