发明授权
US3949697A Marine fender assembly having a multistage shock-absorbing performance 失效
船用挡泥板组件具有多级减震性能

Marine fender assembly having a multistage shock-absorbing performance
摘要:
A marine fender assembly comprises first, second and third shock-receiving members and first, second and third supporting members integrally formed therewith and has an excellent multistage shock-absorbing performance.
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