{"id":"S85041698","label":"Electric filters, Wave-guide","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85041698","normalized_label":"electric filters, wave-guide","broader":["http://id.loc.gov/authorities/subjects/sh85084960","http://id.loc.gov/authorities/subjects/sh85145782"],"aliases":["Filters, Wave-guide","Wave-guide filters","Waveguide filters"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85041698","provider":"lcsh","revision":"8f4aa4addaa0f0cc","taxonomy_revision":"f050b5d4780b1289","title":"Electric filters, Wave-guide","url":"/topics/S85041698","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9511747824493150720","address_version":"morton4x16-v1","coordinates":[0,20,18056,34816],"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}