PKG independently observed candidate: Буровая твердосплавная самозатачивающаяся коронка типа СА-4 D=112
Canonical: https://productknowledgegraph.com/workspace/pw_Arth1TwNeqRw34LG--WaKcKkutU7gntd/products/pr_TsDOAM3-16Il21hBBss2bUy98u5yOQFY
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_TsDOAM3-16Il21hBBss2bUy98u5yOQFY/evidence.jsonl