| 摘要 |
<p>A base card or panel (1) is imprinted for and includes hooks to hold, perforated month sheets. The card is equipped with sets of side-by-side hooks (3a, 3b) to hold re-useable month sheets. The card itself is imprinted (2) as a month sheet for the last month of the previous year. The month sheets are provided in blocks (4, 5) and are perforated with holes (6) for the hooks. The block includes only one month sheet pertaining to January, i.e. that of the current year.</p> |
