| 摘要 |
Two single surfboards (11, 12) are linked and assembled together in tandem fashion by a linking member (13) of elongated shape located underneath the two single surfboards (11, 12) and secured at one end thereof and the other end thereof, respectively, by clamps (23) traversing one single surfboard and the other single surfboard, respectively, in the keel boxes of the surfboards. Further clamping members (26) are located inbetween above mentioned clamps (23) and arranged for locking one end of one single surfboard and another end of another single surfboard on the linking member (13).
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