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  • ISO 4850:1979

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    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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    Personal eye-protectors for welding and related techniques Filters Utilisation and transmittance requirements

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Withdrawn date:  08-03-2021

    Language(s):  English, French

    Published date:  01-07-1979

    Publisher:  International Organization for Standardization

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    Abstract - (Show below) - (Hide below)

    Specifies the numbering of and transmittance requirements for filters intended to protect operatives performing manual work involving welding, braze welding, arc gouging and thermal cutting. It also gives guidance on the selection and use of these filters. Optical test methods are the subject of ISO 4854. Non-optical test methods are the subject of ISO 4855.

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    Document Type Standard
    Publisher International Organization for Standardization
    Status Withdrawn
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    17/30346770 DC : 0 BS EN 60974-9 - ARC WELDING EQUIPMENT - PART 9: INSTALLATION AND USE
    AEP-4495 : 2016 GUIDANCE FOR THE PROCUREMENT OF LASER EYE PROTECTION (LEP) FOR THE INDIVIDUAL MILITARY USER
    ISO 4260:1987 Petroleum products and hydrocarbons Determination of sulfur content Wickbold combustion method
    I.S. EN 60974-9:2010 ARC WELDING EQUIPMENT - PART 9: INSTALLATION AND USE
    BS 2000-243(1994) : 1994 METHODS OF TEST FOR PETROLEUM AND ITS PRODUCTS - PETROLEUM PRODUCTS AND HYDROCARBONS - DETERMINATION OF SULFUR CONTENT - WICKBOLD COMBUSTION METHOD
    BS EN 60974-9:2010 Arc welding equipment Installation and use
    BS EN 24260:1994 Methods of test for petroleum and its products. Petroleum products and hydrocarbons. Determination of sulfur content. Wickbold combustion method
    EN 60974-9:2010 Arc welding equipment - Part 9: Installation and use
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