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US2147997A
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Compound firing for gas-heated zone thrust furnaces
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GB468765A
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Improvements in or relating to the production of refractory shaped bodies or refractory linings
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GB382014A
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Improvements in and relating to the production of refractory substances
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US1886268A
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Method for producing refractory bodies
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GB371905A
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Improvements in and relating to bricks and building blocks
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US1954715A
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Highly refractory mass and process of producing same
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GB340958A
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A process of producing refractory furnace and crucible linings, bricks and the like
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US1849441A
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Steel melting furnace and process of manufacturing the same
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GB324312A
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A process of producing highly refractory masses
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