Liu Yanzhu. Talk about ancient clock “Bei-lou” and magnetic perpetual motion machine. Mechanics in Engineering, 2022, 44(4): 997-999. DOI: 10.6052/1000-0879-21-298
Citation:
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Liu Yanzhu. Talk about ancient clock “Bei-lou” and magnetic perpetual motion machine. Mechanics in Engineering, 2022, 44(4): 997-999. DOI: 10.6052/1000-0879-21-298
|
Liu Yanzhu. Talk about ancient clock “Bei-lou” and magnetic perpetual motion machine. Mechanics in Engineering, 2022, 44(4): 997-999. DOI: 10.6052/1000-0879-21-298
Citation:
|
Liu Yanzhu. Talk about ancient clock “Bei-lou” and magnetic perpetual motion machine. Mechanics in Engineering, 2022, 44(4): 997-999. DOI: 10.6052/1000-0879-21-298
|