Strebig, Kelly C.
Effect of depth of cut and bit type on the generation of respirable dust Strebig, Kelly C.; Zeller, H. William - Washington Bureau of mines 1975 - 16 p. - RI 8042 .
MINERIA
MINING
CORTADORAS BITS (PERFORACION) MINAS DE CARBON CUTTING MACHINES BITS (DRILLING AND BORING) COAL MINES
622
Effect of depth of cut and bit type on the generation of respirable dust Strebig, Kelly C.; Zeller, H. William - Washington Bureau of mines 1975 - 16 p. - RI 8042 .
MINERIA
MINING
CORTADORAS BITS (PERFORACION) MINAS DE CARBON CUTTING MACHINES BITS (DRILLING AND BORING) COAL MINES
622