Piezoelectric light emitting hula hoop structure
JHEN, YOU-HUA, YANG, CHING-YI, CAI, JIA-CIN, CHEN, JE-HSIN, SU, CHENG-JUNG, YANG, HONG-SUNG, LIAN, WAN-YING, HUANG, SYUAN-CIH
Year of Publication 01.05.2013
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Year of Publication 01.05.2013
Patent