1、BS EN IS0 BRITISH STANDARD Periodontal curettes, dental scalers and excavators Part 3. Dental scalers - H-type The European Standard EN IS0 13397-3 : 1996 has the status of a British Standard ICs 11.060.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW 13397-3 : 1997 STD-BSI
2、BS EN IS0 13377-3-ENGL 1997 = Lb29bbS ObOb3Li3 TT7 = BS EN IS0 1339743 : 1997 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee CW52, Dental inslmments, upon which the following bodies were represented British Dental Associ
3、ation British Dental Me Association British Endodontic Society British Society for Restorative Dentistry British Society for the Study of Prosthetic Dentistry Department of Health Ministry of Defence This British Standard, having been prepared under the direction of the Heaith and Environment Sector
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