| Identifier | Title | Date | Event type | Other information | |
|---|---|---|---|---|---|
| GFA 11/710277-710278 | 1971 | Creation | digitized | prolonged period of protection | ||
| GFA 11/710279 | 1971 | Creation | digitized | prolonged period of protection | ||
| GFA 17/710277 | 1971 | Creation | prolonged period of protection | ||
| GFA 17/710278 | 1971 | Creation | prolonged period of protection | ||
| GFA 17/710279 | 1971 | Creation | prolonged period of protection |