国家/地区 中国（2）
IPC部 B（2）
IPC大类 B29（2）
IPC小类 C08K（2）
IPC C08K003/26（2）
发明人
公开年 2023（2）
申请年
专利权人

Production process of solarization-resistant wine packaging box comprises molding injection-molded plastic wine packaging box for polishing, coating ultraviolet resistance coating, drying, treating, and subjecting plastic wine packaging box for ultraviolet laser printing trademark pattern.

WANG H, MA X

Preparing internal spiral polyvinyl chloride drainage pipe, comprises e.g. bending and spiraling steel wire, extruding, injecting into brushing mechanism, carrying out spiral groove processing, forming inner spiral groove, spraying, extruding, painting and performing preliminary drying.

LIU Z