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1. Transporting  (8)
2. Performing Operations  (8)
3. Compositions Of Macromolecular Compounds  (8)
4. Compositions Based Thereon  (8)
5. Their Preparation Or Chemical Working-Up  (8)
6. Organic Macromolecular Compounds  (8)
7. Chemistry  (8)
8. Metallurgy  (8)
9. Macromolecular Compounds Obtained By Reactions Only Involvingcarbon-To-Carbon Unsaturated Bonds  (8)
10. Technical Subjects Covered By Former Uspc Cross-Reference Art Collections [xracs] And Digests  (5)
11. General Tagging Of Cross-Sectional Technologies Spanning Over Several Sections Of The Ipc  (5)
12. Technical Subjects Covered By Former Uspc  (5)
13. Technical Subjects Covered By Former Us Classification  (5)
14. Technical Subjects Covered By Former Uspc Cross-Reference Artcollections [xracs] And Digests  (5)
15. General Tagging Of New Technological Developments  (5)
16. Layered Products  (5)
17. Shaping Or Joining Of Plastics  (3)
18. Shaping Of Material In A Plastic State, Not Otherwise Providedfor  (3)
19. Indexing Scheme Associated With Subclasses B29b, B29c Or B29d, Relating To Moulding Materials  (3)
20. After-Treatment Of The Shaped Products, E.G. Repairing  (3)
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1. English  (7)
2. French  (3)
3. German  (3)
4. Portuguese  (2)
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