国家/地区 韩国（2）
IPC部 C（2）
IPC大类 C04（2）
IPC小类 C04B（2）
IPC C04B014/02（2）
发明人
公开年 2021（2）
申请年 2020（2）
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

Concrete surface protective material composition comprises ordinary cement or slag cement, aggregate powder, slag fine powder, acrylic polymer, filler made of at least one of silica, calcium carbonate, titanium dioxide and fine clay mineral.

JUNG S Y