国家/地区 中国（2）
IPC部 C（2）
IPC大类 C08（2）
IPC小类 C08G（2）
IPC
发明人
公开年
申请年 2022（2）
专利权人

High-performance polyurethane vibration isolator comprises polytetrahydrofuran diol, graphene oxide, silane coupling agent, polyisocyanate, chain extender, antioxidant, and UV absorber.

YANG L, CHAI K, JING X, CHEN L

Bidirectional rotary seal structure for centrifuge shaft has a shaft sleeve, a dustproof lip, a sealing lip and a circlip, first O-shaped groove is axially opened on one side of the inside of the shaft sleeve and a dust lip is embedded at the position of the first O-shaped groove.

ZOU J, BAO Y