Abstract
The invention relates to a ventilation valve for a tube lifter, as well as to a tube lifter comprising such a ventilation valve, and to an operating device for a tube lifter comprising such a ventilation valve.
US-2026104099-A1, on 16 April 2026. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.OT-2026-000000477
The invention relates to a ventilation valve for a tube lifter, as well as to a tube lifter comprising such a ventilation valve, and to an operating device for a tube lifter comprising such a ventilation valve.
OpenTechnical Publication OT-2026-000000477, “Tube lifter with ventilation valve,” published September 15, 2026 at 19:02:56 UTC, https://opentechnical.org/p/OT-2026-000000477.
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