国家/地区
IPC部 C（2）
IPC大类 F16（2）
IPC小类 F16D（2）
IPC
发明人
公开年
申请年 2009（2）
专利权人

Graphene oxide sheet used for graphene-containing material, is obtained by dispersing graphene-containing carbon substance using dispersing agent to reduce size of aggregation unit of carbon substance, and oxidizing resulting product.

FUGETSU B

Brake drum used for vehicles, contains composition which consists of specific amount of chromium, carbon, manganese, silicon, sulfur, molybdenum and graphene.

HWANG J, HWANG J H