{"id":"S85107544","label":"Proportional valves--Electronic control","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85107544","normalized_label":"proportional valves--electronic control","broader":["http://id.loc.gov/authorities/subjects/sh85042285"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85107544","provider":"lcsh","revision":"697b825878e902b1","taxonomy_revision":"f050b5d4780b1289","title":"Proportional valves--Electronic control","url":"/topics/S85107544","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900790570170074628","address_version":"morton4x16-v1","coordinates":[0,20,19085,24576],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}