国家/地区 中国（3）
IPC部
IPC大类
IPC小类
IPC
发明人 LI K（3）
公开年 2023（3）
申请年 2022（3） 
专利权人 LI K（3）

Moxibustion column structure for use in acupuncture point, has main body sleeved on surface of screw thread, where bottom of main body is fixedly installed on top part plate, and main body from outside to inside comprises protective layer.

LI K

Preparation device of graphene has motor whose output end is screwed with connector far away from motor, and one side of connector is connected with quartz tube which is covered with metal film.

WANG Q, LI K

Heat-preserving and oxidation-resistant wood ceramic is prepared by preparing composite wood ceramic using wood fiber, graphene hydrogel and phase change wax, and modifying.

LI K