国家/地区 中国（2）
IPC部 C（2）
IPC大类 C23（2） C30（2）
IPC小类 C23C（2）
IPC C23C016/26（2）
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

Long-life guide cylinder comprises e.g. outer layer as pre-oxidized felt insulating felt, middle layer as modified resin formed on inner side wall of outer layer, and inner layer as carbon/carbon composite material formed on inner side wall of middle layer.

BAI Y, QIN X, LIU Y, ZHOU J

Vapor-deposited graphene layer growth preparation device comprises high-vacuum sealing plug-in valve transversely arranged on upper part of sealed cavity near top, thermal field base fixedly installed at bottom of sealed cavity.

ZHAO B, FU S, ZHANG H