 |
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| galvanic anode system (Alexander Demidov); cathodic protection station (Alexander Demidov) | |||
| протекторная установка: 1 do fraz, 1 tematyki |
| Ropa / ropa naftowa | 1 |
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| |||
| galvanic anode system (Alexander Demidov); cathodic protection station (Alexander Demidov) | |||
| протекторная установка: 1 do fraz, 1 tematyki |
| Ropa / ropa naftowa | 1 |