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Proponent Battery Services GmbH is listed in The Aviation Manifest as a maintenance & repair (mro) entry in Germany.
The listing carries a website and a phone number, recorded from the public record rather than supplied by the company.
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Read from the company public directory entry; only facts were kept, never their editorial copy. Checked on 2026-10-21.
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Claim this listingData source: the Flying Engineer public directory crawl, checked 2026-10-21. Cite this entry as: The Aviation Manifest, “Proponent Battery Services GmbH”, checked 2026-10-21, https://theaviationmanifest.com/listings/proponent-battery-services-gmbh. Claim to edit, or write to info@offthegroundmarketing.com to correct or remove.