global diamond industry. In 1978, Coborn designed the ...
2021-7-1 · global diamond industry. In 1978, Coborn designed the first Reciprocating Grinding (RG) machine for producing Polycrystalline Diamond (PCD) tools. ... Mono Crystal Diamond (MCD) is the term usually used when referring ... They can also be used in gem diamond polishing. The bench combines the high speed rotation of a
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