国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 CHEN R（2）
公开年
申请年 2020（2）
专利权人 CHEN R（2）

Intelligent nursing pad, has pad base body whose inner part is provided with ceramic heating plate, and signal lamp whose input end is electrically connected with output end of single chip in control panel.

CHEN R

Engine oil additive comprises graphene, chelated selenium, chelated platinum, and chelated molybdenum.

RONG J, XIAO Z, YIN J, LIANG S, SITU R, CHEN R