Use of an in-seam tester to determine effects of bit type on primary dust generation
By: by Laxman S. Sundae.
Series: Report of investigations (United States. Bureau of Mines) -- no.9263.
Publisher: Dept. of the Interior
Published: 1989
Place of publication: Washington, DC
Language: eng
Number of pages: 13
Subjects: Coal-cutting bits -- Testing; Coal mines and mining -- Dust control.; Mine dusts -- Measurements
Notes:  89600001  t_oclc

Bibliogr.

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