国家/地区
IPC部 F（2）
IPC大类 F25（2）
IPC小类 F28D（2）
IPC F28D015/02（2）
发明人
公开年
申请年
专利权人

System for cooling concrete roof, has coolant liquid that is provided inside hollow elongated portion, and storing unit that circulates coolant to condensing unit is configured to condense gaseous coolant liquid.

TRIJO T, LAZARUS G A

Radiating device useful for preparing graphene material comprises e.g. a shell, the top of the shell fixedly equipped with a feeding pipe, the shell top and located at the right side of the feeding pipe installed with a water inlet pipe.

QI C, LI X