| 摘要 |
<p>1510720 Training appliance M VINCENT 16 Oct 1975 [17 Oct 1974] 42487/75 Heading A6D Apparatus for practising tennis comprises an elastic cord 5, of rubber or rubber - like material, attached at both ends to a handle 7 of a tennis racket via ring 6 and passing through a ring 4 on a shoulder harness. The shoulder harness comprises an adjustable belt having braces 2, one of which is connected to ring 4.</p> |
