国家/地区 中国（3）
IPC部 F（3）
IPC大类 F16（3）
IPC小类 F16L（3）
IPC F16L059/02（3）
发明人
公开年 2023（3）
申请年 2022（3） 
专利权人

Cold-resistant and low-temperature resistant metal hose used in aviation, aerospace, petroleum, chemical engineering, metallurgy, electric power, paper making, wood, textile, construction, medicine, food, tobacco, and transportation.

ZHANG D, HUANG R, CHEN S

High temperature resistant insulating silica gel foam for making e.g. foam pad, has hollow embedded cavity dividing foam core into inner layer structure and outer layer structure, where inner wall of ring layer is adhered on inner structure.

CHENG X

Thermal insulation method for tunnel construction in winter, involves arranging hole wall graphene electric heating film on sides of tunnel, and sandstone material field spraying and mixing station outside tunnel is provided with greenhouse.

HUANG B, JIA Z, ZHOU J, HE F, TIAN J, ZHANG P, LIU Y