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Kroncke光学系统基本组 (115V/60 Hz)
Kroncke光学系统基本组 (230V/60 Hz)
Optical Rider K
Optical Bench K, 1000 mm
Optical Bench K, 2000 mm
Optical Bench K, 500 mm
Experiment: Diffraction by Multiple Slits and Gratings
Experiment: Lens equation (230 V, 50/60 Hz)
Experiment: Lens equation (115 V, 50/60 Hz)