Explicação, anotação:For drawing and coating of inscriptions on any surfaces, except glass.
Descrição porminorizada da marca:Physical-chemical indices: 1. Exterior appearance. Cylindrical rod of white color 2. Consumer properties. Must meet examination 3. Chalks amounts, MM, within limits of length. 75-82 diameter. 11-14 width. 14-17 height. 14-17 4. Fracture strength, ã/ñì2, no less than. 400 |