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RULED NOTEBOOK (THEORY-KUN #200) WHICH CAN BE ERASED BY ERASER, PERSONAL COMPUTER PAPER (THEORY-KUN #201) WHICH CAN BE ERASED BY ERASER, AND RULED DRAWING PAPER (THEORY-KUN #202) WHICH CAN BE ERASED BY ERASER
RULED NOTEBOOK (THEORY-KUN #200) WHICH CAN BE ERASED BY ERASER, PERSONAL COMPUTER PAPER (THEORY-KUN #201) WHICH CAN BE ERASED BY ERASER, AND RULED DRAWING PAPER (THEORY-KUN #202) WHICH CAN BE ERASED BY ERASER
PROBLEM TO BE SOLVED: To provide writing papers of which the original ruled lines can be erased by an eraser.;SOLUTION: The ruled lines of notebooks, drawing papers and personal computer papers and so forth which are conventionally on the market are printed with an ink. On the writing papers by this invention, the ruled lines are drawn with a pencil lead or the like, and when the ruled lines are not required, the ruled lines are erased by an eraser. When the ruled lines are required, writing can be performed along the ruled lines.;COPYRIGHT: (C)2006,JPO&NCIPI
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