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USE OF WETTING AND CASTING MATERIALS AND WELDING ADDITIVES FOR COMPONENTS IMPROVED WITH HOT CONCENTRATED SULFURIC ACID
USE OF WETTING AND CASTING MATERIALS AND WELDING ADDITIVES FOR COMPONENTS IMPROVED WITH HOT CONCENTRATED SULFURIC ACID
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机译:润湿和铸造材料以及焊接添加剂对热浓硫酸改良成分的使用
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摘要
The present invention relates to the use of materials for parts contacted by hot, concentrated sulphuric acid and oleum having a strength of from 0 to 10% by weight and also the preparation of sulphuric acid using these materials.
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