METHOD OF PROTECTING AND SUPPORTING DEVELOPMENT WORKING

Saved in:
Bibliographic Details
Main Authors ALYSHEV NIKOLAJ A,SU, VOSKOBOEV FRIDRIKH N,SU, VELIKANOV LEONID A,SU
Format Patent
LanguageEnglish
Russian
Published 07.03.1989
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
MINING OR QUARRYING
SHAFTS
TUNNELS
Online AccessGet full text

Cover

More Information
Bibliography:Application Number: SU19874266609