Thema
- Arbeiter1
- Geschichte1
- Schlacke (Metallurgie)1
- Stahl, Joseph v.1
- {"id":"https://d-nb.info/gnd/4005818-9","label":"Bernstein"}1
- {"id":"https://d-nb.info/gnd/4013537-8","label":"Edelstein"}1
- {"id":"https://d-nb.info/gnd/4020059-0","label":"Gemme"}1
- {"id":"https://d-nb.info/gnd/4041358-5","label":"Natur"}1
- {"id":"https://d-nb.info/gnd/4041421-8","label":"Naturwissenschaften"}1
- {"id":"https://d-nb.info/gnd/4074756-6","label":"Metallurgie"}1
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