Xingwei Ni

Person

  • Shanghai, CN

Patents Applicationslast 30 patents

  • Information Patent Application

    KARAOKE APPARATUS

    • Publication number 20100192753
    • Publication date Aug 5, 2010
    • MULTAK TECHNOLOGY DEVELOPMENT CO., LTD
    • Jianping Gao
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS