Loudspeaker with damping structure
ZHANG ZHAO, ZHANG GUIZHONG, JIANG AIFA, GUO JIANGUO, YANG WANGAO, MING SHENGJUAN, HU XIONGJUN
Year of Publication 24.03.2020
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Year of Publication 24.03.2020
Patent
Loudspeaker with contact type electric connection structure
ZHANG ZHAO, CHEN XIAOFANG, OU WEN, JIANG AIFA, HAN DONGYANG, YANG WANGAO
Year of Publication 24.03.2020
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Year of Publication 24.03.2020
Patent