{"total_count":1,"results":[{"id":33901,"original_title":"Symposium on Testing Metal Powders and Metal Powder Products","title_alternative":"","title_transcription":"Symposium on Testing Metal Powders and Metal Powder Products  ","title_alternative_transcription":null,"pub_date":"1953","statement_of_responsibility":"","creators":[{"full_name":"American Society for Testing Materials"}],"contributors":[],"publishers":[{"full_name":"American Society for Testing Materials"}],"publication_place":"","extent":"87 p. ; 23 cm","dimensions":null,"identifiers":[],"subjects":[],"classfifications":[{"classification_type":"udc","term":"621.762"}],"access_address":"","items":[{"item_identifier":"206080","shelf":"単行書23"}],"created_at":"1999-05-19T08:02:57.000+09:00","updated_at":"2026-03-23T13:19:40.541+09:00"}]}