Safety rules and regulations pertaining to stationary engines, electrical machinery, and their controlled apparatus.
| 企業作者: | |
|---|---|
| 格式: | 圖書 |
| 語言: | English |
| 出版: |
Manila
Bureau of Print.
1950.
|
| 版: | 2nd ed. |
| 主題: |
| 企業作者: | |
|---|---|
| 格式: | 圖書 |
| 語言: | English |
| 出版: |
Manila
Bureau of Print.
1950.
|
| 版: | 2nd ed. |
| 主題: |