{"id":"S85004004","label":"Aluminum-copper-magnesium alloys","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85004004","normalized_label":"aluminum-copper-magnesium alloys","broader":["http://id.loc.gov/authorities/subjects/sh85003975","http://id.loc.gov/authorities/subjects/sh85032341","http://id.loc.gov/authorities/subjects/sh85079660"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85004004","provider":"lcsh","revision":"b05c134a4b0f7efe","taxonomy_revision":"f050b5d4780b1289","title":"Aluminum-copper-magnesium alloys","url":"/topics/S85004004","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9513858610871288388","address_version":"morton4x16-v1","coordinates":[0,20,17467,36864],"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}