| GFA 1/550 |
Berichte und Unterlagen Schmelzofen |
1893 – 1951 |
File: 1 file |
Standard period of protection |
|
| GFA 1/551 |
Elektroschmelzofen |
1950 |
File: 1 file |
Standard period of protection |
|
| GFA 1/552 |
Elektroschmelzofen |
1950 |
File: 1 file |
Standard period of protection |
|
| GFA 1/553 |
Elektroschmelzofen |
1950 |
File: 1 file |
Standard period of protection |
|
| GFA 1/554 |
Glühöfen, Härteöfen, Trockenöfen, Tiegelöfen |
1856 – 1951 |
File: 1 file |
Standard period of protection |
|
| GFA 1/557 |
verschiedene Öfen |
1940 – 1953 |
File: 1 file |
Standard period of protection |
|
| GFA 1/559 |
verschiedene Öfen |
1933 – 1955 |
File: 1 file |
Standard period of protection |
|
| GFA 11/43733 |
Schema Elektroofen |
1943 |
Item: 1 photo |
digitized | prolonged period of protection |
|
| GFA 11/43734 |
Schema Elektroofen |
1943 |
Item: 1 photo |
digitized | prolonged period of protection |
|
| GFA 11/44360 |
Abstichmotive von Elektroofen, Werk I |
1944 |
Item: 4 photos |
digitized | prolonged period of protection |
|
| GFA 11/46849 |
Chargierkorb Elektro-Ofen |
1946 |
Item: 1 photo |
digitized | prolonged period of protection |
|
| GFA 11/46850 |
Chargierkorb Elektro-Ofen |
1946 |
Item: 1 photo |
digitized | prolonged period of protection |
|
| GFA 11/511064 |
Abstich Elektro-Ofen |
1951 |
Item: 1 photo |
digitized | prolonged period of protection |
|
| GFA 11/520179 |
Elektroofen-Abstich |
1952 |
Item: 1 photo |
digitized | prolonged period of protection |
|
| GFA 11/520536 |
Elektroofen-Abstich |
1952 |
Item: 1 photo |
digitized | prolonged period of protection |
|
| GFA 11/521138-521144 |
Elektroofen-Abstich |
1952 |
Item: 7 photos |
digitized | prolonged period of protection |
|
| GFA 11/540847 |
Abstich am Elektro-Ofen |
1954 |
Item: 1 photo |
digitized | prolonged period of protection |
|
| GFA 11/560765 |
Abstich 15 Tonnen-Ofen |
1956 |
Item: 2 photos |
digitized | prolonged period of protection |
|
| GFA 13/367 |
Giessereien: Öfen |
1890 – 1933 |
File: 1 photo album |
prolonged period of protection |
|
| GFA 13/45 |
Fotos von Elektro-Öfen |
1890 – 1930 |
File: 1 photo album |
prolonged period of protection |
|
| GFA 16/2911 |
Electric furnace in Birch |
1925 |
Item: 1 photo |
digitized | prolonged period of protection |
|
| GFA 16/3225 |
Electric furnace, Birch |
1926 |
Item: 1 photo |
digitized | prolonged period of protection |
|
| GFA 16/3728 |
Electric furnace 3, plant I |
1928 |
Item: 1 photo |
digitized | prolonged period of protection |
|
| GFA 16/3984 |
Electric furnace |
1930 |
Item: 1 photo |
digitized | prolonged period of protection |
|
| GFA 16/43739 |
Electric furnace |
1943 |
Item: 1 photo |
digitized | prolonged period of protection |
|
