Theory and practice of mine ventilation,
Saved in:
| OCLC: | 3184827 |
|---|---|
| 主要作者: | |
| 语言: | English |
| 出版: |
Columbus, O.,
The Jeffrey manufacturing co.,
c1936.
|
| 版: | 1st ed. |
| 主题: | |
| 格式: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| 实物描述: | 4 p. ̋., 11-285 p. illus., diagrs. 20 cm. |
|---|