国家/地区 韩国（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08K（2）
IPC C08K003/04（2）
发明人
公开年 2023（2）
申请年
专利权人

Manufacturing graphene flakes for producing coated steel pipe piles as construction material, comprises preparing iron-intercalated layered graphite using iron-intercalated layered graphite, and pulverizing using plasma pulverizer.

LEE S S, CHO J S

Manufacture of guardrail used for inside or outside of main line rail, involves pre-treating guardrail, painting pre-treated surface of guardrail with powder coating containing weather resistant polyester resin, curing agent and curing accelerator, heat treating and drying painted guide rail.

JANG S W