Dust generation and comminution of coal /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Kurth, Donald I.
Kaituhi rangatōpū: United States. Bureau of Mines
Ētahi atu kaituhi: Sundae, Laxman S., Schultz, Clifford W.
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: [Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1975].
Rangatū:Report of investigations (United States. Bureau of Mines) ; 8068
Ngā marau:
Mine dust.
Coal, Pulverized.
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Whakaahuatanga
Whakaahuatanga ōkiko:ii, 28 p. : ill.

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