| 摘要 |
<p>The present invention pertains to the field of polygraphical articles, particularly to calendars. Object matter of this invention is to prolong the using-time of calendar as a rule being one-time article. The intention is achieved by disposition of date (the day of the month, the month and year) on the tape made from flexible material. The tapes are coupled ring-shape by using dead-end ties. The rings are displaced in grooves being cut out in bottom edges. It could be made on the bold notice board corresponding combinations of year-number, month and date by moving said tapes forwards or back.</p> |
