国家/地区 中国（2）
IPC部 B（2）
IPC大类 B60（2）
IPC小类 B60L（2）
IPC C04B035/532（2）
发明人
公开年 2018（2）
申请年
专利权人

Preparation of pantograph composite skateboard used for electric locomotive, involves adding silicon carbide powder, after mixing asphalt coke and graphite powder, adding molten asphalt, spray-drying graphene oxide dispersion, heating.

GONG Y, CHEN J, LI C, JIN Y, LIU P, LIAO M, LI L, ZHOU X

Preparing metro collector sliding block useful in underground railway field by using graphene impregnated metal carbon material comprises e.g. selecting aggregate comprising asphalt coke and forged petroleum coke and powder raw materials.

MIN J