1.
Povyshenie Dolgovechnosti Shesterennykh Gidronasosov Nsh-32A I Nsh-50A
by Velichko Sergey Anatol'evic...
ISBN: 9783659102943
List Price: $91.00
2.
Otsenka Rabotosposobnosti I Povyshenie Dolgovechnosti Gidroprivoda Gst-90
by Galin Dmitriy Aleksandrovic...
ISBN: 9783845429557
List Price: $105.00