Consolidated report / transmitted by the Government of the Federal Republic of Germany.
1984
Details
Symbol[E/ECE/]COAL/GE.4/R.23
TitleConsolidated report / transmitted by the Government of the Federal Republic of Germany.
Other titles
Drivage, development and support of roadways and faces in deep mines - 1,000 metres and over - and consequently in more difficult mining, geological and atmospheric conditions : consolidated report
AuthorsGermany, Federal Republic of
DateGeneva : UN, 16 Apr. 1984.
Description
8 p.