| 发明名称 |
Drafting apparatus. |
| 摘要 |
<p>A drafting apparatus (10) comprises a frame (12) on which is mounted rollers (14) made up of two elongate cylinders. The rollers (14) are connected to each other by a polymeric band (24). In use of the invention a drafting instrument such as a rule is mounted on the apparatus (10) which may be pushed on a drafting surface.</p> |
| 申请公布号 |
EP0173354(A1) |
申请公布日期 |
1986.03.05 |
| 申请号 |
EP19850111073 |
申请日期 |
1985.09.03 |
| 申请人 |
KAMMEIJER, HEINRICH WILHELM |
发明人 |
KAMMEIJER, HEINRICH WILHELM |
| 分类号 |
F16C31/00;B43L7/04;B43L13/24;F16C31/06;(IPC1-7):B43L7/04 |
主分类号 |
F16C31/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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