发明授权
EP1975258B1 PROTECTIVE-UNITED CARBONACEOUS BLOCK FOR BLAST FURNACE AND METHOD OF CONSTRUCTING BLAST FURNACE WITH CARBONACEOUS BLOCK 有权
保护UNITED碳块对于高炉用碳包含块建设高炉和方法

PROTECTIVE-UNITED CARBONACEOUS BLOCK FOR BLAST FURNACE AND METHOD OF CONSTRUCTING BLAST FURNACE WITH CARBONACEOUS BLOCK
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