TY  - PAT
CY  - Patent, Norm, Standard
A1  - Kunz, Patricia
A1  - Kreikemeier, Steffen
T1  - Device for controlling the flow through a ventilation channel in an earmold
UR  - https://depatisnet.dpma.de/DepatisNet/depatisnet?action=bibdat&docid=EP000003972289A1
ER  -