国家/地区 中国（5）
IPC部 C（2） H（2）
IPC大类
IPC小类
IPC
发明人 CHEN D（5）
公开年 2020（3） 2021（2）
申请年 2020（5）
专利权人 CHEN D（5）

Respirator for use in respiratory department, has water outlet whose thread port is connected with water cover, and mask main body whose bottom part is provided with drainage groove, where top end of drainage groove is fixedly installed with filter screen.

CHEN D

Wear resistant skid-proof ramp material useful for pavement comprises emulsified asphalt, resin mixed fiber, rubber, sizing agent and base material.

CHEN D

Graphene heating wire processing system comprises a device support, graphite mechanism, moving mechanism, adhesion mechanism I, adhesion mechanism II, filament formation mechanism I the silk mechanism II.

CHEN D

Graphene material preparation system comprises e.g. device support provided with glue releasing mechanism and connected with pressing mechanism and graphite mechanism, extrusion mechanism located at upper end of graphite mechanism.

CHEN D

Graphene battery positive and negative electrode composite material processing device, has material crushing adders whose lower ends are connected to lower end of combined drive, and are arranged on upper end of battery presenting mold.

CHEN D