国家/地区 中国（2）
IPC部 B（2）
IPC大类 E04（2）
IPC小类 E04D（2）
IPC
发明人
公开年
申请年 2021（2）
专利权人

Anti-aging multi-layer composite waterproof coiled material used for building wall, roof, and tunnel, road, and landfill site, comprises asphalt layer, where one side of asphalt layer is provided with anti-aging layer.

ZHANG W, LI H, LI Y

Lightweight composite material useful for roof construction including light steel structure, high-rise steel structure, light plate quick-installed residence, frame structure and brick-concrete structure building, comprises magnesium alloy powder, and graphene material.

HUANG L, SHI W