GR – Stein Refractories Limited patents
— 10/10/2024Regenerative heat exchange systems Patent number: 4282923 Abstract: A regenerative heat exchange system comprises a multiplicity of refractory members laid in adjacent parallel rows to form one course in the system, each refractory member being so shaped such that the adjacent refractory members of one row co-operate to form a gas passageway or duct through that first…
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