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United States Bureau of Mines
업종: Mining
Number of terms: 33118
Number of blossaries: 0
Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources. Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
A diamond set in the inside-wall surface of the crown of a diamond core bit so that it cuts sufficient inside clearance to permit the core to pass through the bit shank and into the core barrel without binding.
Industry:Mining
A diamond set in the inside-wall surface of the crown of a diamond core bit so that it cuts sufficient inside clearance to permit the core to pass through the bit shank and into the core barrel without binding.
Industry:Mining
A diamond set on the outside wall of a bit crown.
Industry:Mining
A diamond set on the outside wall of a bit crown.
Industry:Mining
A diamond set on the outside wall of a bit crown.
Industry:Mining
A diamond set on the outside wall of a bit crown.
Industry:Mining
A diamond set or other type of expansible or contractable jaw on an underreamer bit.
Industry:Mining
A diamond set or other type of expansible or contractable jaw on an underreamer bit.
Industry:Mining
A diamond that appears blue or bluish in transmitted white light or against a white background; it reflects white light when viewed edge up at right angles to the table.
Industry:Mining
A diamond with a shallowish, wavy, or rough surface.
Industry:Mining
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