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pig launching valve (MichaelBurov) | |||
pig scraper injector valve (на трубопроводе); pig scraper launching valve (на трубопроводе) | |||
scraper-launching valve | |||
pig scraper launching valve (для чистки трубопровода); scraper injector valve (на трубопроводе) |
узел запуска скребков : 10 phrases in 4 subjects |
Drilling | 1 |
Karachaganak | 2 |
Makarov | 2 |
Oil and gas | 5 |