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Development of large diameter drilling equipment.

Authors
Debakker-P
Source
Washington, DC: U.S. Department of the Interior, Bureau of Mines, Contract H0262037, 1976 Nov; :1-307
Link
NIOSHTIC No.
20044083
Abstract
Keywords
Comparative evaluations; Design; Drill bits; Drilling equipment; Experimental data; Lining processes; Performance testing; Rotary drills; Shaft excavations; Underground mining
Publication Date
19761101
Document Type
CP; Final Contract Report
Fiscal Year
1977
NTIS Accession No.
NTIS Price
Identifying No.
Contract-H0262037
NIOSH Division
Office of the Assistant Director-Mining
Source Name
Washington, DC: U.S. Department of the Interior, Bureau of Mines, Contract H0262037
State
DC; MA
Performing Organization
Foster-Miller Associates, Inc., Waltham, MA
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