国家/地区 中国（3）
IPC部
IPC大类
IPC小类
IPC
发明人 XIONG L（2） XIONG Y（2） ZHAO J（2）
公开年 2015（3）
申请年 2014（2） 
专利权人 ZHANG M（3）

Three dimensional printing solar energy gallery-shaped graphene film type display screen manufacturing method involves setting brick-concrete pit in display screen structure, and thick tempered glass on pedestrian vertical track.

XIONG L, XIONG Y, ZHAO J

Preparation of graphene oxide involves mixing sulfuric acid, potassium persulfate, phosphorus pentoxide and graphite powder, diluting, washing, drying, cooling, pre-oxidizing, dehydrating, heating, adding water, washing and grinding.

ZHANG M

Graphene film 3D printing type with notebook computer work life, has telescopic steel pipe head of diameter in bottom comprising print high bed head back from middle to head and fixed with soft cloth bag pad screw fixing locked bottom bed.

XIONG L, XIONG Y, ZHAO J