国家/地区 韩国（2）
IPC部 B（2）
IPC大类 B28（2）
IPC小类 B28B（2）
IPC C04B014/02（2）
发明人 LEE Y（2）
公开年
申请年
专利权人

Manufacture of sidewalk block involves injecting mixture containing cement, water reducing agent and activated silica into mold, applying mixture containing polymer powder and artificial aggregate on formed base layer, pressing and curing.

LEE Y, YEOUL L J

Producing pedestrian-vehicle passage block, comprises e.g. producing high-strength artificial aggregate comprising cement, sand, graphene, photocatalyst powder, high performance water reducing agent, and crushing.

LEE Y, YEOUL L J