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    ISO9001:2015
    ISO9001:2015
    UN_14151 LVD
    UN_14151 LVD
    UN_14152 ROHS
    UN_14152 ROHS
    UN_14153 EMC
    UN_14153 EMC
    VTS16HC-6289E EMC
    VTS16HC-6289E EMC
    Gravity unloading flow meter T-80 patent
    Gravity unloading flow meter T-80 patent
    UN_CE certificate of dc
    UN_CE certificate of dc
    PD flow meter ce
    PD flow meter ce
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