• BS 4274-2(1996) : 1996

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    VISUAL ACUITY TEST TYPES - SPECIFICATION FOR LANDOLT RING OPTOTYPE FOR NON-CLINICAL PURPOSES

    Available format(s): 

    Superseded date:  31-07-2009

    Language(s): 

    Published date:  23-11-2012

    Publisher:  British Standards Institution

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    Committee CH/172
    Development Note Supersedes 86/55503 DC. (06/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    BS 2045:1965 Preferred numbers
    BS EN ISO 8597:1996 Visual acuity test types. Method for correlating optotypes used for non-clinical purposes
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