国家/地区
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08L（2）
IPC
发明人
公开年 2023（2）
申请年 2022（2）
专利权人

Power transmission belt used as tooth cover jacket on synchronous belt, comprises belt body, tensile cord embedded in belt body, and jacket defining pulley contact surface.

GAO M, CHEN G, WEBER C

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