Lọc kết quả

Năm xuất bản 

Chủ đề 

1. Textiles  (4)
2. Production Of Cellulose  (4)
3. Paper-Making  (4)
4. Methods Of Producing Paper Thereon  (3)
5. Paper-Making Machines  (3)
6. Hygiene  (1)
7. Printing, Duplicating, Marking, Or Copying Processes  (1)
8. Lining Machines  (1)
9. Performing Operations  (1)
10. Paper Not Otherwise Provided For  (1)
11. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (1)
12. Impregnating Or Coating Of Paper  (1)
13. I.E. Mechanisms Printing Otherwise Than From A Forme  (1)
14. Correction Of Typographical Errors  (1)
15. Preparations For Medical, Dental, Or Toilet Purposes  (1)
16. Colour Printing  (1)
17. Human Necessities  (1)
18. Medical Or Veterinary Science  (1)
19. Layered Products  (1)
20. Printing  (1)
21. Lựa chọn khác