发明名称 FINE-LEAD PROPELLING PENCIL
摘要 <p>A fine-lead propelling pencil or similar comprises a tubular basic element and a lead-adjusting device for withdrawing inserting or advancing the lead and an eraser at the rear end. To improve erasing, the operating device (9) for the lead-adjusting device (8) can be operated from the casing surface (5) of the basic element (1) and the eraser (21) can be inserted in, and withdrawn from, the basic element (1) by a longitudinally-sliding operating device (30).</p>
申请公布号 WO1989001877(A1) 申请公布日期 1989.03.09
申请号 DE1988000514 申请日期 1988.08.24
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