国家/地区 美国（2）
IPC部 C（2） H（2）
IPC大类 C04（2）
IPC小类 C04B（2）
IPC C04B111/00（2）
发明人
公开年
申请年 2021（2）
专利权人

Electromagnetic wave absorption structure comprises electromagnetic wave composite absorbing layer, where electromagnetic wave composite absorbing layer comprises conductive composite layer and insulating layer, and insulating layer is stacked and overlapped with conductive composite layer.

WU F

Thermal energy-transfer system such as grade beam, comprises thermally conductive concrete comprising carbon, metals and/or conductive polymers, aggregate and cement and having preset compressive strength, and pipes, tubes and capillaries.

GUARRERO B P