Details
Symbol[E/ECE/]COAL/GE.4/R.19/Add.9
TitleReport / transmitted by the Government of Czechoslovakia.
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 : report
AuthorsCzechoslovakia
DateGeneva : UN, 21 Nov. 1983.
Description
7 p. : table