ISO/R 644:1967
w
ISO/R 644:1967
4774

Abstract

The symbols given in tables have been classified in the following manner: - General conventional signs, - Ducts and duct joints, - Appliances and fittings, - Ventilators, - Various conventional signs. The general conventional signs concern symbols representing principal parts and appliances.


General information 

  •  :  Withdrawn
     : 1967-12
  •  : 1
     : 13
  •  : ISO/TC 8/SC 3 Piping and machinery
  •  :
    01.080.30 Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation
    47.020.90 Marine ventilation, air conditioning and heating systems

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information.