Cox, Johnson, and Alexander (2012) report cochlear dead regions (DRs) occur when inner hair cells at a given frequency are lost or malfunctioning. Previous publications have suggested hearing-aid high-frequency gain should be attenuated in the presence of high frequency DRs.
Precondition for a VdS approval procedure, among others, is proof of a certified quality management system in accordance with DIN EN ISO 9001 for the manufacturing facility of the product.
Once the trailer has successfully passed the examination, you can complete an application to license a vehicle using form VL 17. If the trailer was previously licensed to another owner, a declaration of the seller must be completed on form VL 17. For more information, please go to Buy a vehicle (transfer licence) .nce the trailer has successfully passed the examination, you can complete an application to license a vehicle using form VL 17. If the trailer was previously licensed to another owner, a declaration of the seller must be completed on form VL 17. For more information, please go to Buy a vehicle (transfer licence) .