滤棒行业专利布局与保护机制研究 - Couverture souple

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ISBN 10 : 7562960607 ISBN 13 : 9787562960607

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Langue: chinois
ISBN 10: 7562960607
ISBN 13: 9787562960607
Reliure: Broch�
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Research on patent layout and protection mechanism of filter rod industry(Chinese Edition)

YANG GUANG YUAN . PENG SAN WEN . ZHANG XIN JUN . CHEN JUN BIAN

ISBN 10 : 7562960607 ISBN 13 : 9787562960607

Neuf paperback

Vendeur : liu xing, Nanjing, JS, Chine

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paperback. Etat : 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. N� de r�f. du vendeur NX022596

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