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前言一九七四年八月在北京举办了瑞士工业技术展览会,其中精密仪表机床和高精度机床是最重要的部分。参加这次展出机床的公司达38家,其中专门从事或兼产仪表机床和小规格高精度机床的公司27家,占参加展出机床公司的70％;展出的金属切削机床共114台,属于仪表机床及小规格高精度机床有81台,占展出
Preface In August 1974, the Swiss Industrial Technology Exhibition was held in Beijing. Among them, precision instrumentation and high-precision machine tools are the most important parts. A total of 38 companies participated in the exhibition, of which 27 were engaged in or concurrently manufacturing instrumentation machines and small-size high-precision machine tools, accounting for 70% of the total exhibiting machine tool companies; a total of 114 metal cutting machines were exhibited , Belonging to the instrumentation and small size high-precision machine tool has 81 units, accounting for the show