| 摘要 |
<p>PURPOSE: To improve the operability of a cleaning card and to enhance the efficiency in cleaning. CONSTITUTION: Plural pairs of insertion and retaining holes 2-7 are drilled on the surface of a cleaning card 1, and dowels 16 of a stopper 15 engaged with the peripheral part of the card insertion port of a card reader are inserted into these insertion holes 2-7 to be retained freely attachably/detachably. Further, cutting lines 14a-14e becoming boundaries of plural dirt removal parts 8-13 are inscribed on the surface of the cleaning card 1 corresponding to the insertion and retaining holes 2-7.</p> |
