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US4420333A Powdery desulfurizer composition 失效
粉末脱硫剂组成

Powdery desulfurizer composition
摘要:
A powdery desulfurizer composition for injection desulfurization of molten iron, said composition comprising 30 to 90% by weight of quicklime and 70 to 10% by weight of diamide lime.
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