Design patent certificate of loudspeaker
Certificate No.: 4714610
design name: profile (1)
Designer: Wu Lianbao; Yang Wei: Patent No.: ZL 2017 3 0189643. X
Patent application date: May 19, 2017
Date: patentee: Shenzhen Jiachen Technology Co., Ltd
Address: Block B and C, floor 5, building C, Fenda science and Technology Creative Park, Sanwei, Xixiang, Bao'an District, Shenzhen, Guangdong Province
Date of authorization announcement: June 26, 2018
Authorized Announcement No.: cn 304700409
