1、raising standards worldwide NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI Standards PublicationThis page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and serv
2、ices. It presents the UK view on standards in Europe and at the international level. BSI is incorporated by Royal Charter. British Standards and other standardisation products are published by BSI Standards Limited. British Standards Institution (BSI) raising standards worldwide BSI 389 Chiswick Hig
3、h Road London W4 4AL UK Te l + 4 4 ( 0 ) 2 0 8 9 9 6 9 0 0 1 Fax +44 (0)20 8996 7001 Revisions British Standards and PASs are periodically updated by amendment or revision. Users of British Standards and PASs should make sure that they possess the latest amendments or editions. It is the constant a
4、im of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using British Standards would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. S i m i l a
5、r y f o r P A S s , p l e a s e n o t i f y B S I C u s t o m e r S e r v i c e s . Te l : + 4 4 ( 0 ) 2 0 8 9 9 6 9 0 0 1 F a x : + 4 4 ( 0 ) 2 0 8 9 9 6 7 0 0 1 BSI offers BSI Subscribing Members an individual updating service called PLUS which ensures that subscribers automatically receive the la
6、test editions of British Standards and PASs. Te l : + 4 4 ( 0 ) 2 0 8 9 9 6 7 6 6 9 F a x : + 4 4 ( 0 ) 2 0 8 9 9 6 7 0 0 1 Email: Buying standards Yo u m a y b u y P D F a n d h a rd c o p y v e r s i o n s o f s t a n d a rd s d i re c t l y u s i n g a credit card from the BSI Shop on the websit
7、e In addition all orders for BSI, international and foreign standards publications can be addressed to BSI Customer Services. Te l : + 4 4 ( 0 ) 2 0 8 9 9 6 9 0 0 1 F a x : + 4 4 ( 0 ) 2 0 8 9 9 6 7 0 0 1 Email: In response to orders for international standards, BSI will supply the British Standar
8、d implementation of the relevant international standard, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Knowledge Centre. Te l : + 4 4 ( 0 ) 2 0 8 9 9 6 7 0 0 4 F a x : + 4 4 ( 0 ) 2 0 8 9 9
9、6 7 0 0 5 Email: BSI Subscribing Members are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Te l : + 4 4 ( 0 ) 2 0 8 9 9 6 7 0 0 2 F a x : + 4 4 ( 0 ) 2 0 8
10、9 9 6 7 0 0 1 Email: Information regarding online access to British Standards and PASs via British Standards Online can be found at Further information about British Standards is available on the BSI website at www.bsi- Copyright All the data, software and documentation set out in all British Stan
11、dards and other BSI publications are the property of and copyrighted by BSI, or some person or entity that own copyright in the information used (such as the international standardisation bodies) has formally licensed such information to BSI for commerical publication and use. Except as permitted un
12、der the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of impl
13、ementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Department. Te l : + 4 4 ( 0 ) 2 0 8 9 9 6 7 0 7 0 Email:
