煤矿许用YMJ-D型雷管编码机的研制

The Research of YMJ-D Detonator Code Make Permitted Mines

文章介绍了煤矿许用 YMJ- D型雷管编码机的结构、工作原理、技术性能及安全性能 。

This paper introduces the structure, fundamentals, technique properties and safe properties of YMJ-D detonator code maker, which is permitted to be used in mines. It also provides related data and makes a conclusion.