国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 B29B（2）
IPC
发明人 WANG Y（2）
公开年 2022（2）
申请年 2021（2）
专利权人

Granulating device for production of graphene composite master batch, has heating extruding pipe connected with material inlet and cooling pipe, where bottom of cooling pipe is provided with shaking inclined passage.

WANG Y

Repairing agent for boiler flue gas desulfurization tower, includes multi-layer composite coating comprising wear-resistant layer, bonding layer, and anticorrosive layer which are sequentially coated on inner wall of desulfurization tower, and anticorrosive layer attached to inner wall.

WANG Y, SHANG Y, YANG Y, SONG X