https://curaden-dentaldepot.ch/it/kfo-technik/79971-attacchi-db-13-logic-step-f6112-13-f6112-13.html
Attacchi DB 13 Logic Step F6112-13 F6112-13 | Curaden Dentaldepot
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https://www.clowvalve.com/products/valves/14in-c515-tyton-7901-22/
14" C515 Tyton F6112 - Clow Valve
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