滤棒行业专利布局与保护机制研究 - Tapa blanda

Research on patent layout and protection mechanism of filter rod industry(Chinese Edition)

paperback. Condición: 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. Nº de ref. del artículo: AMZ055627_NX022596_055627

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