Person
Friedli, J.
k.A. // 1950-1951 Autor zweier Berichte zum Eisenbergwerk Gonzen
Signatur | Titel | Datum | Ereignistyp | Sonstiges | |
---|---|---|---|---|---|
EBA 2/594 | Surface corrosion of heat-resisting materials under the action of bunker oil ashes containing Sodium, Sulphur and Vanadium | 1950 | Laufzeit | Standard Schutzfrist | |
EBA 2/595 | Surface corrosion of heat-resisting materials under the action of bunker oil ashes containing Sodium, Sulphur and Vanadium | 1951 | Laufzeit | vacat | Standard Schutzfrist |