Fillings Or Auxiliary Members In Containers Or Encapsulations, E.g., Centering Rings (epo) Patents (Class 257/E23.135)
- Including materials for absorbing or reacting with moisture or other undesired substances, e.g., getters (EPO) (Class 257/E23.137)
- Gaseous at normal operating temperature of device (EPO) (Class 257/E23.138)
- Liquid at normal operating temperature of device (EPO) (Class 257/E23.139)
- Solid or gel at normal operating temperature of device (EPO) (Class 257/E23.14)