[New types of diamond whetstones (Chirana State Enterprise Nove Mesto). 2. Diamond-coated whetstones with different grain size].

@article{Janota1990NewTO,
  title={[New types of diamond whetstones (Chirana State Enterprise Nove Mesto). 2. Diamond-coated whetstones with different grain size].},
  author={M Janota and J Marvan},
  journal={Prakticke zubni lekarstvi},
  year={1990},
  volume={38 4},
  pages={103-11}
}
The selection of diamond-coates whetstones manufactured by Chirana for turbine drills is extended at present by two new types of toods with a different size of diamond particles. In practice they prove useful in more effective in the final stages of the final preparation of the ground surface.