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22016 Hair wave tank
2208 Wave-making water bath
2216 Sound wave demonstration instrument
2435 Electromagnetic wave sending and receiving de
2436 Electromagnetic wave interference diffraction
2223 Wave synthesis demonstrator
22015 Wave demonstration device
J2203 Shear wave demonstration device
22005 Longitudinal wave demonstrator
22012Vertical and horizontal wave demonstration de
SM885 rope wave demonstrator
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