| 摘要 |
A calendar binder having a rigid bar with a front surface and a rear surface, a recess centrally positioned on the rear surface of the rigid bar, a tab having a top end and a bottom end, and an adhesive layer on the rear surface of the rigid bar is adapted to secure the rigid bar to a calendar where at least a portion of the tab is positioned in the recess of the rigid bar. The respective materials for the rigid bar, the tab and the adhesive are suitable biodegradable materials.
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