Da: liu xing, Nanjing, JS, Cina
paperback. Condizione: New. Paperback.Pub Date:2021-08-01 Pages:229 Language:Chinese Publisher:Wuhan University of Technology Press Based on the strategic needs of industry development. this book firstly investigates the filter rod technology of well-known cigarette brands at home and abroad. and understands the filter rod technology Development situation. formulate a search strategy for domestic and foreign filter rod patents. and then analyze the development of domestic and foreign filter rod patent technologies throu. Codice articolo NX022596
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