1 documents found
Head: Савчук В.С.. Elaboration recommendations on put onto practice of new industrial classification in appraisal belonging to trademarks of coals of the Donetsky and Lvovsko-Volynsky barins.
Ukrainian State Institute for Mineral Resources, Dnepropetrovsk Department. № 0100U001284
1 documents found
Updated: 2026-03-23
