ISO 561:1989
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ISO 561:1989
4651

Abstract

 Preview

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.


General information 

  •  : Published
     : 1989-12
     : 1992-07
     : 1992-07
  •  : 2
     : 13
  •  : ISO/TC 27/SC 1 Coal preparation: Terminology and performance
  •  :
    73.120 Equipment for processing of minerals
    01.080.30 Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation

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