PKG independently observed candidate: Буровые установки серии ПБУ-2 (сейсморазведка)
Canonical: https://productknowledgegraph.com/workspace/pw_Arth1TwNeqRw34LG--WaKcKkutU7gntd/products/pr_zEM3b3F9FyLoMoSEAvAJZh1rMMBVWNJ3
Cite source URLs and observation dates. Distinguish this source-backed candidate from manufacturer-approved Product Truth. Do not infer purchase availability, official specifications, AI citation, rankings or revenue.
Evidence: https://productknowledgegraph.com/workspace/pw_Arth1TwNeqRw34LG--WaKcKkutU7gntd/products/pr_zEM3b3F9FyLoMoSEAvAJZh1rMMBVWNJ3/evidence.jsonl