Keyword: raw iron production

Roheisenherstellung

raw iron production

raw iron production is used as descriptor

 
Identifier Title Date Level of description Other information
EBA 2/551 Elektroverhüttung schweizerischer Eisenerze und Benzinsynthese 1938 File: 1 file Standard period of protection
EBA 2/552 Die schweizerischen Eisenerze und ihre Verwertung. Vortrag 1938 File: 1 file Standard period of protection
EBA 3/41 Praktisches Handbuch der Roh- und Stabeisen-Fabrikation in leichtfasslichem Vortrage 1853 File: 2 volumes public
EBA 9/8 Korrespondenz 1994-1999: Ausland 1994 – 1997 File: 1 file Standard period of protection
GFA 9/1.93 GF Mitteilungen, Heft 93, 5/1958 1958 File: 1 file digitized | public
GFA 9/3.32 GF intern, Nr. 32, Dezember 1986 1986 File: 1 file digitized | public
GFA 9/3.69 GF intern, Nr. 69, Dezember 1995 1995 File: 1 file digitized | prolonged period of protection
GFA 9/3.69.1 GF intern, Nr. 69, Dezember 1995 1995 File: 1 file digital born digitized | public
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