国家/地区 中国（2）
IPC部 E（2）
IPC大类 E02（2）
IPC小类 F25B（2）
IPC
发明人
公开年
申请年
专利权人

Cast-in-place heat exchange pile-wall support structure has heat exchange pipe section pre-embedded in lower baffle wall and lower pile portion, and heat exchange tube which is filled with heat exchange liquid.

DING X, CHEN Z, ZHAO H, WANG C

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