{"id":"S85058942","label":"Harmonic drives","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85058942","normalized_label":"harmonic drives","broader":["http://id.loc.gov/authorities/subjects/sh85053633","http://id.loc.gov/authorities/subjects/sh85106016"],"aliases":["Harmonic speed changers"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85058942","provider":"lcsh","revision":"3c2dd4bffe07f022","taxonomy_revision":"f050b5d4780b1289","title":"Harmonic drives","url":"/topics/S85058942","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126489190809339396","address_version":"morton4x16-v1","coordinates":[0,20,18325,63488],"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}