发明授权
US08511245B2 Helical strake systems 有权
螺旋系统

Helical strake systems
摘要:
An apparatus including a strake section having a plurality of helical fins separated by at least one helical opening. A method including forming a helically shaped fin that independently maintains the helical shape once formed.
公开/授权文献
信息查询
0/0