海量图书期刊资源，随时随地畅享阅读乐趣
Improving the system of pricing man-made fibresS. V. Smirnov; L. N. Khar'kova; M. D. Abramova; N. D. Novikova; E. N. Arnol'dova · 1978
Ways of reducing the net cost of the product in the man-made fibre industryS. V. Smirnov; S. P. Krasheninnikova; N. D. Novikova; E. N. Arnol'dova · 1978