| Category | License | Title | Info | Download | Report |
|---|---|---|---|---|---|
| OCAL | CC0 Public Domain | Gemisch Teilchenmodell Legierung Fest Gas |  |  |  |
| OCAL | CC0 Public Domain | C H Bindung fuer Elektronegativitaet |  | | |
| OCAL | CC0 Public Domain | Grove Gas Battery |  | | |
| OCAL | CC0 Public Domain | hydrogen |  | | |
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