1. #Potash technology
پدیدآورنده : #edited by R.M. McKercher
کتابخانه: Central Library of Esfehan University of Technology (Esfahan)
موضوع : Potash mines and mining -- Congresses
رده :
#
TN
،#.
P67
،#
1983
2. Potash technology, mining, processing, maintenance, transportation, occupational health and safety, environment
پدیدآورنده : edited by R.M. McKercher
کتابخانه: Central Library of Amirkabir University of Technology (Tehran)
موضوع : Potash mines and mining Congresses, Potash industry and trade Congresses
رده :
TN
919
.
P67
1983
