| Category | License | Title | Info | Download | OCAL | CC0 Public Domain | Fehling Probe |  |  | OCAL | CC0 Public Domain | reagenzglas |  | | OCAL | CC0 Public Domain | scientist isolated |  | | OCAL | CC0 Public Domain | science |  | |
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| Category | License | Title | Info | Download | OCAL | CC0 Public Domain | Fehling Probe | | | OCAL | CC0 Public Domain | reagenzglas | | | OCAL | CC0 Public Domain | scientist isolated | | | OCAL | CC0 Public Domain | science | | |
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