IC 006. US 002 012 013 014 023 025 050. G & S: Metal foils, sintered sheets and thin plates made of tungsten-carbide or of metal with tungsten-carbide for tools and tool parts, as components in chemical apparatus engineering and for the application of hard soldering and braze welding; sintered sheets made of tungsten-carbide or of metal with tungsten-carbide for radiation protection
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