{"tema_id":"441","string":"dipping datum point           #02230","created":"2022-12-19 09:13:30","code":null,"notes":[{"@type":"Cataloger's note","@lang":"en-EN","@value":"reference: R071:2008 3.6 "},{"@type":"Cataloger's note","@lang":"en-EN","@value":"ID: 02230 "},{"@type":"Definition note","@lang":"en-EN","@value":"intersection of the vertical measurement axis with the upper surface of the dipping datum plate, or with the bottom surface of the tank if a dipping datum plate is not provided. It constitutes the origin for the measurement of liquid levels (zero reference or dipping reference point) "}]}