INTERNATIONAL PATENT: ZHANG, YONGCHUN, 张永春, SHENZHEN XINQI SCIENCE AND TECHNOLOGY CO., LTD., 深圳馨祺科技有限公司 FILES APPLICATION FOR "BASS REFLEX SYSTEM AND LOUDSPEAKER DEVICE"

Posted On: 2025-06-29

GENEVA, June 29 -- ZHANG, Yongchun (Group 11, 7th Committee, Station Street, Shuangcheng Town, Shuangcheng DistrictHarbin, Heilongjiang 150100), 张永春 (中国黑龙江省哈尔滨市双城区双城镇车站街七委十一组), SHENZHEN XINQI SCIENCE AND TECHNOLOGY CO., LTD. (Room 214A, 2nd Floor Exhibition hall, Zhongxin Science and Technology Building, Bagua Road, Futian DistrictShenzhen, Guangdong 518048), 深圳馨祺科技有限公司 (中国广东省深圳市福田区八卦路Ê...

Click here to read full article from source

To read the full article or to get the complete feed from this publication, please Contact Us.

Exclusive

Category

Source

Publication

Location

INTERNATIONAL PATENT: ZHANG, YONGCHUN, 张永春, SHENZHEN XINQI SCIENCE AND TECHNOLOGY CO., LTD., 深圳馨祺科技有限公司 FILES APPLICATION FOR "BASS REFLEX SYSTEM AND LOUDSPEAKER DEVICE"