国家/地区 中国（2）
IPC部 F（2）
IPC大类 F28（2）
IPC小类 F28D（2）
IPC
发明人
公开年 2021（2）
申请年
专利权人

Optical storage direct-soft building shaping phase change energy storage floor radiation heating system comprises solar panel, solar controller, storage battery, inverter, and intelligent temperature controller.

PEI Y, FU Y

Bidirectional cast iron gate, has door frame provided with first cast iron door and second cast iron door, and servo motor whose output shaft is connected with rotating shaft through coupler, where top of door frame is welded with mounting chamber.

DU Y