| PATENT ASSIGNEE'S COUNTRY | CH |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Binder: Polyamide, PC resin or cement material - Graphite particles of size < 10 microns - Amorphous carbon - Sand |
| PATENT PHOTOCOPY | Available on request |
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