| http://www.w3.org/ns/prov#value | - rasive grains is accelerated because of the chemical reaction of the abrasive grains with the metal.Finally, the inventor was confident that if the dressing electrode is formed of the above mentioned metal, an alloy containing mainly the metal, or a complicated material containing the metal and a non-metal material and the electrode is slidwhile it is pressed against the moving grindstone,
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