The 70-years anniversary of the academician A. P. German
Abstract
November 2, 1944 marked the 70th anniversary of the birth of one of the largest specialists in the field of mining mechanics, Academician Alexander Petrovich German.
November 2, 1944 marked the 70th anniversary of the birth of one of the largest specialists in the field of mining mechanics, Academician Alexander Petrovich German.