| 摘要 |
<p>576,977. Racket presses. FREND, E. J. March 9, 1944, No. 4442. [Class 132 (ii)] The head and part of the handle of a racket are ericased by two metal shells conforming to the shape of the head and having engaging outer edges fitted with clamps 8 with a sphincter ring 13 to secure the ends of the handle section. The central area 1 may be of metal or fabric.</p> |
