| 摘要 |
An electronic pen has a body which comprises a casing consisting of at least two casing parts which are joined to be separable, and electronic equipment arranged inside the casing. A girdle is arranged with a close fit round the joined casing parts. The casing and the girdle have coacting locking means which limit the movement of the girdle in the longitudinal direction of the pen in such manner that at least the girdle is destroyed as the locking is broken.
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