Partial replacement of coke in cupola operation /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Spironello, Victor R.
Kaituhi rangatōpū: United States Department of the Interior. Bureau of Mines
Ētahi atu kaituhi: Mahan, W. M. (Warren M.)
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: [Washington, D.C.] : U.S. Dept. of the Interior, 1980.
Rangatū:Report of investigations (U.S. Department of the Interior. 8488.
Ngā marau:
Cupola-furnaces > Fuel.
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Whakaahuatanga
Whakaahuatanga ōkiko:19 p. : ill.

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