国家/地区
IPC部
IPC大类
IPC小类
IPC
发明人 LIU Y（2）
公开年 2021（2）
申请年 2021（2） 
专利权人 LIU Y（2）

High-stability baby carriage convenient for going up and down escalator, has lower repelling ball that is fixedly connected to end of air-sealing sheet close to support rod, and ends of lower repelling ball and round head plunger are matched with each other.

LIU Y

Self-powered green building material insulation glass comprises glass substrate on which ultraviolet/infrared reflective layers are formed adjacently, titanium dioxide nanopillar/graphene film, and perovskite material methylamine lead trihalide layer.

ZIHAN G, LIU Y, GAO Y