国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 CHEN Y（2）
公开年 2021（2）
申请年 2020（2） 
专利权人 WANG X（2）

Manufacturing non-enzymatic type sensing element comprises coating graphene thin film material on porous carbon layer of working electrode to form graphene layer, and electroplating metal on graphene layer to form catalyst layer.

WANG X, CHEN Y, LIN S, LIN Y

Wellbore cleaning tool, has rubber pressing block whose outer side is provided with bearing through limiting hole and bolt, where side of rubber pressing block is provided with conveying pipe whose outer surface layer is provided with stain-resistant layer.

WANG X, CHEN C, WANG G, CHEN Y, HUANG W