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https://www.linkedin.com/posts/excor-poland_oilgas-oilandgas-pipeline-activity-6556804191434743808-CPKO
- https://www.linkedin.com/posts/excor-poland_oilgas-oilandgas-pipeline-activity-6556804191434743808-CPKO
- testy szczelności
- minimum 10 krotkich zdan opisujacych firme i strone w osobnych linijkach8-301
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