NA: 1. An ancillary device is not necessarily subject to metrological control. 2. An ancillary device may be integrated in the gas meter.
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- NA: 1. An ancillary device is not necessarily subject to metrological control. 2. An ancillary device may be integrated in the gas meter.
NA: 1. An ancillary device is not necessarily subject to metrological control. 2. An ancillary device may be integrated in the gas meter.Broader Terms