国家/地区 中国（2）
IPC部 C（2）
IPC大类 C04（2）
IPC小类 C04B（2）
IPC C04B028/00（2）
发明人
公开年 2023（2）
申请年
专利权人

Double-faced cavity lightweight high-strength assembled wall useful for prefabricated building, has interface layer, heat preservation layer, crack-proof layer and facing layer, where layers are connected by base cloth and heat preservation layer comprises e.g. cement, modified polystyrene and water.

LIN P, CHEN B, ZHANG W, ZHANG H, ZHANG Y

Metal ceramic material useful for cutting pick of development machine, comprises diamond, silicon carbide, silicon nitride, amorphous silicon dioxide, cobalt oxide, boron carbide, tungsten graphene, nano iron powder and niobium carbide.

CHEN H, YANG B, HUA J