A mechanical pencil in which a lead guide pipe may protect a lead in a range from a lead chuck to the tip member or an extremity end of the slider by the tip member or the slider or the projection bar as well as the lead guide pipe so as to protect the lead and to prevent a ...
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Shiyapu pencil for Chiyatsukusetsuto安藤 陽一
Shiyapu pencil for Chiyatsukusetsuto安藤 陽一
Shiyapu pencil for Chiyatsukusetsuto安藤 陽一
Shiyapu pencil with tip pipe protection adjustment mechanism(57) In the case of [summary] [purpose] non-use, the outer covering portion that can accommodate the sharp tip pipe inside is provided, and also dropped a sharp pencil, folding, does not give cause such damage, and and to provide...
Shiyapu pencil for Chiyatsukusetsuto安藤 陽一
Shiyapu pencil for Chiyatsukusetsuto安藤 陽一