| http://www.w3.org/ns/prov#value | - At least the of the dressing electrode which is brought into contactwith the grindstone is formed of the metal, the alloy containing mainly the metal or the complicated material containing the metal and the non-metal material.The examples of the metals having large chemical affinity with diamond and CBN are metal elements of 3A group, 4A group or 5A group.
|
