pssir.compssir.com/wp-content/uploads/2019/08/CATALOG-A4.pdf o Blast Furnace's copper tuyeres...
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pssir.compssir.com/wp-content/uploads/2019/08/CATALOG-A4.pdf o Blast Furnace's copper tuyeres (0/0 (bar) Blast Furnace's copper tuyeres are used to direct hot air and charging materials