{"id":"S85030678","label":"Concrete--Patents","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85030678","normalized_label":"concrete--patents","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85030678","provider":"lcsh","revision":"cdb06f67ddbaf272","taxonomy_revision":"f050b5d4780b1289","title":"Concrete--Patents","url":"/topics/S85030678","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867088082124817920","address_version":"morton4x16-v1","coordinates":[0,20,17884,22528],"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}