demonstrations_3a5_electricity_and_magnetism_3a5g_magnetic_materials_3amagnets_3astart
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- cover.png
- 1200×1110
- 2019/02/01 21:49
- 128.5 KB
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- Date:
- 2019/04/12 17:03
- Filename:
- img_20190412_170343.jpg
- Format:
- JPEG
- Size:
- 4MB
- Width:
- 4032
- Height:
- 3024
- Camera:
- Google Pixel 3 XL
- References for:
- Vacuum Pump (electric)