海量图书期刊资源，随时随地畅享阅读乐趣
New state standard for methods and means of checking Shore hardness testersO. M. Kochin; N. S. Gusyatinskaya · 1983
Highly accurate device for reproducing the Shore D hardness unit of metalsV. A. Begunov; Yu. G. Boldyrev; V. E. Butorin; N. S. Gusyatinskaya; O. M. Kochin; Yu. A. Maiorov · 1986