{"id":"S85025360","label":"Chromium-copper alloys","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85025360","normalized_label":"chromium-copper alloys","broader":["http://id.loc.gov/authorities/subjects/sh85025354","http://id.loc.gov/authorities/subjects/sh85032341"],"aliases":["Copper-chromium alloys"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85025360","provider":"lcsh","revision":"a538db421b86d5cf","taxonomy_revision":"f050b5d4780b1289","title":"Chromium-copper alloys","url":"/topics/S85025360","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864695544755405316","address_version":"morton4x16-v1","coordinates":[0,20,17801,16384],"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}