Standard

ISO 561:1989

Nov 1989 Current

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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.

Products specifications

Standard from ISO
Published: November 30 1989
Edition: 2
Document type: IS
Pages
ISBN:

Publisher: ISO
Distributor: ISO
ICS: 01.080.30
ICS: 73.120
International TC: ISO/TC 27/SC 1

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Revises: ISO 561:1974
Revised by: ISO/DIS 561

ISO 561:1989

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ISO/DIS 561

ISO 561:1989

ISO 561:1974

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ISO/DIS 561

ISO 561:1989

ISO 561:1974

Abstract

Products specifications

Product Relations

Product life cycle