{"id":"S85037938","label":"Diffusion coatings","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85037938","normalized_label":"diffusion coatings","broader":["http://id.loc.gov/authorities/subjects/sh85084241","http://id.loc.gov/authorities/subjects/sh85107646","http://id.loc.gov/authorities/subjects/sh85130722"],"aliases":["Coatings, Diffusion","Metals--Diffusion coatings"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85037938","provider":"lcsh","revision":"687669fd295a1556","taxonomy_revision":"f050b5d4780b1289","title":"Diffusion coatings","url":"/topics/S85037938","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088208575789942276","address_version":"morton4x16-v1","coordinates":[0,20,17997,51200],"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}