Consideration of the activities of the national mining research institutes of ECE countries and exchange of scientific, technical and economic information relating to the coal industry / transmitted by the Government of Bulgaria.
1984
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Details
Symbol[E/ECE/]COAL/GE.4/R.21/Add.5
TitleConsideration of the activities of the national mining research institutes of ECE countries and exchange of scientific, technical and economic information relating to the coal industry / transmitted by the Government of Bulgaria.
AuthorsBulgaria
DateGeneva : UN, 31 Jan. 1984.
Description
8 p.