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Polska Grupa Górnicza
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Kompania Wu0119glowa S.A.
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Katowicki Holding Wu0119glowy S.A.
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KGHM Polska Miedu017a S.A.
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Jastrzu0119bska Spóu0142ka Wu0119glowa S.A.
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Pou0142udniowy Koncern Energetyczny S.A.
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TAURON – Polska Energia S.A.
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Kopalnia Soli
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Kopalnia Soli Bochnia Sp. z o.o.
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Lubelski Wu0119giel Bogdanka S.A.
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PGE KWB Turów S.A.
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GE General Electric
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Kopex S.A.
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Famur S.A.
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Ostravsko-karvinské doly
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Nowa Koksownia Czu0119stochowa Sp.z o.o.
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Tabas Parvadeh Coal Co.
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Instytut Maszyn i Urzu0105dzeu0144 Energetycznych
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