红色和蓝色滤光片

1、rewordThis British Standard is the UK implementation of EN ISO 12312-2:2015.The UK participation in its preparation was entrusted to Technical Committee PH/2/1, Sunglasses and Sports Vision.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards 。

2、5)BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN ISO 12312-2:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN ISO 12312-2:2015.The UK participation in its preparation was entrusted by Technical Committee PH/2, Eye protection, to Subcommittee PH/2/1, Sunglasses and Sports Vision.A list of organizations represented on this subcommittee can be obtained on request to its secretary.This publication does not purport to。

3、ards Committee, was published underthe authority of the GeneralCouncil on 9 October1963 BSI02-2000 The following BSI references relate to the work on this standard: Committee reference M/48/3 Draft for comment D62/11524 ISBN 0 580 343596 Co-operating organizations The Ophthalmic Standards Committee, under whose supervision this BritishStandard was prepared, consists of representatives from the following Government departments and professional and industrial organizations: Admiralty Associa。