ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B 7/10; electrolytic self-interrupters H01G 9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K 17/00)
| Subclass | Title |
|---|---|
| 1/00 | Contacts (liquid contacts H01H 29/04) |
| 1/02 | Contacts (liquid contacts H01H 29/04) characterised by the material thereof |
| 1/021 | Contacts (liquid contacts H01H 29/04) characterised by the material thereof Composite material |
| 1/023 | Contacts (liquid contacts H01H 29/04) characterised by the material thereof Composite material having a noble metal as the basic material |
| 1/0233 | Contacts (liquid contacts H01H 29/04) characterised by the material thereof Composite material having a noble metal as the basic material and containing carbides |
