国家/地区 中国（2）
IPC部 B（2）
IPC大类 B05（2）
IPC小类 B05D（2）
IPC
发明人
公开年 2021（2）
申请年 2020（2）
专利权人

Manufacturing solar energy conversion cooker useful in photo-thermal field, comprises e.g. grinding black material, spraying on bottom of metal cooker, spraying mixed solvent on bottom of metal cooker, drying and carbonizing.

WANG Y, TAO X, LIAO S

Reinforced wear-resistant polyethylene water supply pipe useful for trenchless construction, comprises pipe body including a pressure-resistant layer and compatible layer and compatibility layer arranged inside the pressure-resistant layer.

LIU J, TIAN X, LIU P, JIN R, ZHOU W, ZHANG W