LIDKOPING No. 3B, 4B, 46 and 5B Centreless Grinders. Detailed Catalogue LIDKOPING No. 3B, 4B, 46 and 5B Centreless Grinders. Detailed Sales and Technical Specification Catalogue. 20 pages. Manufacturers: Lidkoping Lidkoping Larsson Models: 3B 4B 46-745 5B Contents: Catalog