国家/地区 中国（2）
IPC部 C（2）
IPC大类 C22（2） C23（2） C25（2）
IPC小类 C22C（2）
IPC C25D005/00（2）
发明人
公开年
申请年
专利权人

Hardening stainless steel surface, involves taking sleeve base body after ultrasonic rolling, carburizing surface to form carburized layer, taking sleeve base body after carburization, and brightening surface to obtain finished product sleeve.

BIAN C

Nano thermoelectric active material for three dimensional flame electric fireplace, comprises silica, parylene, polytetrafluoroethylene, thermoelectric materials, carbon nanotubes, bismuth, antimony, porous materials and graphene.

ZHANG D, LI J, SHI Z, LIU J