Keyword: Croning-process

Croning-Verfahren

Croning-process

Croning-process is used as descriptor

 
Identifier Title Date Level of description Other information
GFA 1/1085 Drucksachen, Prospekte Giessereianlagen 1974 File: 1 file Standard period of protection
GFA 1/2019 Lizenzen Grauguss Metallwarenfabrik Zug / von Roll (Kochgeschirr) und DEW Krefeld / Croning, Wedel (Croning-Verfahren) 1933 – 1972 File: 1 file Standard period of protection
GFA 1/454 Verfahren im Giessereibereich 1937 – 1949 File: 1 file Standard period of protection
GFA 1/465 Formsandprüfung 1939 – 1966 File: 1 file Standard period of protection
GFA 1/520 Croning-Verfahren und andere Berichte 1922 – 1954 File: 1 file Standard period of protection
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