国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 GUO H（2）
公开年 2017（2）
申请年 2017（2） 
专利权人 GUO H（2）

Table tennis bottom plate has ejection device layer that includes graphene layer which is equipped with shock absorber, and hard protective layer is laminated on fibrous layer.

GUO M, GUO H

High-strength high-conductivity copper-based alloy blank comprises copper, graphene, and niobium and/or silver.

GUO H