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 : note / by the Secretariat.
1985
Details
Symbol[E/]ECE/COAL/84
TitleDrivage, 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 : note / by the Secretariat.
DateGeneva : UN, 11 Apr. 1985.
Description
1, 8 p.
Notes
Transmits consolidated report ([E/ECE/]COAL/GE.4/R.23) prepared by the Federal Republic of Germany.