Products made from bakelite,a material formed by the reaction of phenol and formaldehyde under heat and pressure | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Winters, Charles D. |
Bildgröße: | 3328 px × 2210 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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