42 Design services relating to electrical insulating materials, base materials for circuit boards, all in the form of panels and panel blanks, base materials for multi-layer circuit boards, all in the form of thin laminates and preimpregnated fibrous material, base materials for the manufacture of circuit boards according to the additive technology, all in the form of semi-finished articles, plastic materials in the form of semi-finished and finished articles, all in the shape of plates, sheets, tubes, rods, blocks, strips and shaped sections, semi-finished articles in the form of punched and shaped articles