actually F.A. Uebel still sells mouthpieces both for German and French system (scroll to mouthpieces)
https://uebel-klarinetten.de/clarinets/accessories/
F. Arthur Uebel GmbH
Gewerbepark 58, 08258 Markneukirchen, Deutschland
Tel.: +49 37422 401 972
web: www.uebel-klarinetten.de
e-mail: [email protected]
F. ARTHUR UEBEL
for sale, secondhand I guess, elsewhere too
https://shop.hueyng.de/mundstuecke/...-uebel-c-klar.-mundstueck-und-b-klar.-deutsch
https://uebel-klarinetten.de/clarinets/accessories/
F. Arthur Uebel GmbH
Gewerbepark 58, 08258 Markneukirchen, Deutschland
Tel.: +49 37422 401 972
web: www.uebel-klarinetten.de
e-mail: [email protected]
F. ARTHUR UEBEL


for sale, secondhand I guess, elsewhere too
https://shop.hueyng.de/mundstuecke/...-uebel-c-klar.-mundstueck-und-b-klar.-deutsch