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- 2023-02-05 06:48WAY TO CREATE SAMPLES WITH PREDETERMINED THERMAL-EMF INTENDED FOR CONVERTING THERMAL ENERGY INTO ELE
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- 2023-02-05 06:25Method of fabrication of rare earth doped preforms for optical fibers
- 2023-02-05 06:23METHOD OF RECOVERING MAGNET POWDER FROM RARE EARTH BOND MAGNET
