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GB1071536A
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Refractory composition method of making same, and product
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US3257700A
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Apparatus for manufacturing a refractory brick
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FR1448939A
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Process for preparing a solution of manganese sulfate from ferromanganese and an ore essentially consisting of manganese dioxide
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US3242889A
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Refractory bricks
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US3309750A
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Apparatus and method for manufacturing brick
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US3252436A
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Refractory brick and furnace construction
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US3297458A
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Plastic chrome ore
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US3287872A
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Metal encased refractory brick and method of making
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US3204586A
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Interlocking pin-socket refractory brick
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US3199477A
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Interlocking brick
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US3170420A
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Refractory brick roof patch assembly
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US3290200A
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Universal brick plating machine
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GB970221A
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Tuyere block and reinforcing insert therefor
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US3293160A
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Electrolytic manufacture of manganates and/or permanganates
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US3261738A
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Apparatus for plating bricks
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US3227520A
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Production of manganese sulfate solution
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US3139048A
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Refractory brick and furnace construction
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GB912794A
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Synthetic refractory chrome composition
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US3111868A
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Apparatus for joining refractory brick channels and hangers
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US3088725A
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Tuyere block and reinforcing insert therefor
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