1、I CEN EN*i!728h 91 = 3404589 OOL97bL 4 = EUROPEAN STANDARD NORME EUROPEENNE EUROPAISCHE NORM EN 27286 : 1991 November 1991 UDC 621.791.76.03:003.6(084) Descriptors : Welding, resistance welding, resistance welding machines, graphic symbo 1 1 English version Graphical symbols for resistance welding e
2、quipment (IS0 7286:1986) Symboles graphiques pour equipements de Bildzeichen fr soudage par resistance (IS0 7286:1986) Widerstandsschweigerte (IS0 7286:19861 This European Standard was approved by CEN on 1991-10-31 and is identical to the IS0 standard as referred to. CEN members are bound to comply
3、with the CENICENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Centrai Secret
4、ariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the offici
5、al versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de No
6、rmalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, 6-1050 Brussels (cl CEN 1991 Copyright reserved to all CEN members Ref. No. EN 27286:1991 E 7 CEN EN*K272Bb 91 3404587 0037762 b Page 2 EN 27286:1991 FOR WORD In 1989, IS0 7286:1986 was submitted to CEN Primary Quest
7、ionnaire-procedure. Following the positive result of the Primary Questionnaire, the CEN Technical Bureau agreed to submit IS0 7286: 1986 , without modifications, to Formal Vote. In accordance with the Common CEN/CENELEC Rules, the following countries are bound to implement this European Standard : Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.