1. Methods of working coal and metal mines.
پدیدآورنده : by Seth D. Woodruff.
کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)
موضوع : Coal mines and mining.,Mining engineering.
2. Methods of working coal and metal mines
پدیدآورنده : Woodruff, Seth D
کتابخانه: Central Library of Sharif University of Technology (Tehran)
موضوع : ، Mining engineering,، Coal mines and mining
رده :
TN
275
.
W64
