Re:2-4% Mg:4-6% Si:40-45% Ca:3-4% Ti:4-6% Ba:1-2%
Re:9-15% Mg:3-4% Si:40-45% Ca:3-4%
Re:17-20% Mg:7-9% Si:40-45% Ca:3-4%
Re:28-30% Si:45-50% Ca:3-4%
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