Identifier | Title | Date | Level of description | Other information | |
---|---|---|---|---|---|
GFA 17/600037 | Anlage für die Fabrikation von Natronlauge | 1960 | Item: 1 photo | prolonged period of protection |
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Identifier | Title | Date | Level of description | Other information | |
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GFA 17/600037 | Anlage für die Fabrikation von Natronlauge | 1960 | Item: 1 photo | prolonged period of protection |