ORIENTATION AID FOR USE WHEN SWIMMING ON THE BACK

申请公布号：WO1995009033(A1)

申请号：FR1994000603

申请日期：1994.05.20

申请公布日期：1995.04.06

摘要：<p>An orientation aid for use when swimming on the back comprises a support (20), an end-piece (10) at one end of the support enabling the support to be held in the mouth of a swimmer, and a viewing means (30) attached to the support.</p>

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