EN-20273-1992.pdf
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1、EUROPEAN STANDARD EN 20 273 NORME EUROPEENNE EUROPAISCHE NORM October 1991 UDC 621.882.2 : 621.882.15 Descriptors: Fasteners, bolts, screws, dimensions, hole size, dimensional tolerances. English version Fasteners Clearance holes for bolts and screws (IS0 273 : 1979) Elments de fixation; trous de pa
2、ssage pour boulons et vis (IS0 273 : 1979) Mechanische Verbindungselemente; Durchgangslcher fr Schrauben (IS0 273 : 1979) This European Standard was approved by GEN on 1991-10-10 and is identical to the IS0 Standard as referred to. GEN members are bound to comply with the CENKENELEC Internal Regulat
3、ions 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 Central Secretariat or to any CEN member. This Euro
4、pean Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a GEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the nati
5、onal standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,.Luxembourg, Netherlands, Norway, Por- tugal, Spain, Sweden, Switzerland and United Kingdom. GEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr
6、Normung Central Secretariat: rue de Stassart 36,B-1050 Brussels Q 1991. Copyright reserved to all CEN members. Ref. No. EN 20 273 : 1991 E Page 2 EN 20 273 : 1991 Foreword In 1990, CEN/BT decided, in accordance with the CENXENELEC Internal Regulations, to submit International Standard IS0 273 : 1979
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