BROWN COAL + LIGNITE (MINING)
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BTCOAL MINING + OTHER CARBONIFEROUS MINERALS (MINING)
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UDC622.332
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Descriptor GERBRAUNKOHLE + LIGNIT (BERGBAU)
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Descriptor ENGBROWN COAL + LIGNITE (MINING)
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Descriptor FRELIGNITE (INDUSTRIE MINIÈRE)
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Variant GERBRAUNKOHLE/BERGBAU
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Variant GERLIGNIT/BERGBAU
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Variant ENGBROWN COAL/MINING
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Variant ENGLIGNITE/MINING