A surfboard having a core, and an elongate spring member substantially centrally located relative to the core, wherein the elongate spring member extends 5 substantially from a nose portion of the surfboard to a tail portion of the surfboard. CN, co
A SURFBOARD AND SPRING ASSEMBLY
2021-10-14
Patent
Electronic Resource
English
IPC: | B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS |