Effect of symmetric bit wear and attack angle on airborne respirable dust and energy consumption

An edition of Effect of symmetric bit wear and attack angle on airborne respirable dust and energy consumption (1979)

Effect of symmetric bit wear and attack angle on airborne respirable dust and energy consumption

By Bruce D. Hanson

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Publish Date

1979

Publisher

Dept. of the Interior, Bureau of Mines

Language

eng

Pages

Description:

subjects: Bits (Drilling and boring), Coal mines and mining, Coal-mining machinery, Dust control