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Revision 32545588 of "Duka" on plwiki

{{Źródła|data=2011-07}}
'''Duka''' -  w [[górnictwo|górnictwie]] [[wyrobisko podziemne|wyrobisko]] pionowe w złożu nieregularnym w kopalnictwie [[sól kamienna|soli]] i [[ruda|rud]].

[[Kategoria:Górnictwo]]

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