About Beijing Langhan Technology Co Ltd
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UMIND LITE by Beijing Langhan Technology Co., Ltd. (Track this)
Intl: (028) Toys and sporting goods US: 022; 023; 038; 050 Filing date: 17-Dec-2018 Serial number: 88231263
UDRONE by Beijing Langhan Technology Co., Ltd. (Track this)
Intl: (028) Toys and sporting goods US: 022; 023; 038; 050 Filing date: 16-Dec-2018 Serial number: 88231225
SIRTEEN by Beijing Langhan Technology Co., Ltd. (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 23-Aug-2018 Serial number: 88089193