Active standard | Published: 30/11/1989

ISO 561:1989-ed.2.0

Coal preparation plant — Graphical symbols
(Appareils utilisés dans la préparation du charbon — Symboles graphiques)

Available languages: English, French

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 561:1989-ed.2.0

Publication date: 30/11/1989

Pages: 13

Country: International technical standard

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Anotation

Description / Abstract: 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.

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