✦ LIBER ✦
Remote control roof bolting : Short description of an electrohydraulic system consisting of a light-weight low-voltage power supply, connecting lead, and electrohydraulic proportional valves on the bolter MIN. MAG. V129, N6, 1973, P562
✍ Scribed by Anonymous
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 112 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0148-9062
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