http://digilab.ptb.de/vocab/http://digilab.ptb.de/vocab/skos/66269legal metrological control http://digilab.ptb.de/vocab/skos/66269 metrological supervision RT http://digilab.ptb.de/vocab/skos/66269 legal control of measuring instruments RT http://digilab.ptb.de/vocab/skos/66269 legal metrology RT http://digilab.ptb.de/vocab/skos/66269 national responsible body RT http://digilab.ptb.de/vocab/skos/66269 ancillary device RT http://digilab.ptb.de/vocab/skos/66269 primary indication RT http://digilab.ptb.de/vocab/skos/66269 initial verification of measuring instruments utilizing the manufacturer's quality management system RT http://digilab.ptb.de/vocab/skos/66269 measuring instrument RT http://digilab.ptb.de/vocab/skos/66269 Legal metrology activities BT