Who makes Les Roises Blanc de Blancs Extra Brut NV (2017 base)?

Les Roises Blanc de Blancs Extra Brut NV (2017 base)

Les Roises Blanc de Blancs Extra Brut NV (2017 base) is wine made by Ulysse Collin.

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Provenance tiers

Verified (first-party)Confirmed directly by the tenant. The highest-confidence, first-party record.
Tech sheetProducer-published technical document (PDF or web). High confidence, directly from source.
Producer siteScraped from the producer's public website. Reliable but not formally verified.
Importer siteScraped from the importer's catalog or website. One step removed from the producer.
COLA / government recordTTB Certificate of Label Approval or other official registry. Authoritative but limited in scope.
Inferred (LLM research)Filled by language-model inference from multiple public sources. Useful, but verify before acting.
Manual / operatorEntered or curated by a WineGraph operator. Authoritative within its scope; check the ref.

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