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[null,"1.","Record Nr.",null,"UNINA9910711132903321"]
[null,null,"Autore",null,"Coblentz Carl W"]
[null,null,"Titolo",null,"Performance of Fram paper filters, Model CA-100PL / / Carl W. Coblentz, Thomas W. Watson"]
[null,null,"Pubbl/distr/stampa",null,"Gaithersburg, MD : , : U.S. Dept. of Commerce, National Institute of Standards and Technology, , 1955"]
[null,null,"Descrizione fisica",null,"1 online resource"]
[null,null,"Collana",null,"NBS report ; ; 4022"]
[null,null,"Soggetti",null,"Air filters - Testing"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","1955."]
[{"$nulls":4},"Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes."]
[{"$nulls":4},"Title from PDF title page."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references."]
[null,"2.","Record Nr.",null,"UNINA9910137789403321"]
[null,null,"Titolo",null,"Optima"]
[null,null,"Pubbl/distr/stampa",null,"Johannesburg, : Anglo American Corp. of South Africa, 1951-"]
[null,null,"Descrizione fisica",null,"1 online resource"]
[null,null,"Disciplina",null,"330.968"]
[null,null,"Soggetti",null,"Industries - Africa, Southern"]
[{"$nulls":4},"Mineral industries - Africa, Southern"]
[{"$nulls":4},"Mining"]
[{"$nulls":4},"Minerals"]
[{"$nulls":4},"Economics"]
[{"$nulls":4},"South Africa"]
[{"$nulls":4},"social sciences"]
[{"$nulls":4},"mining"]
[{"$nulls":4},"Industries"]
[{"$nulls":4},"Mineral industries"]
[{"$nulls":4},"Wirtschaftszeitschrift"]
[{"$nulls":4},"Südafrika"]
[{"$nulls":4},"INDUSTRY"]
[{"$nulls":4},"MINING INDUSTRY"]
[{"$nulls":4},"SOUTH AFRICA"]
[{"$nulls":4},"Periodicals."]
[{"$nulls":4},"Southern Africa"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Periodico"]
[null,null,null,"Sommario/riassunto","\"A review published in the interests of mining, industrial, scientific and economic progress\" (varies slightly)."]