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经营范围
发明名称
椭圆规
摘要
申请公布号
TW016417
申请公布日期
1974.07.01
申请号
TW06210717
申请日期
1973.05.18
申请人
何灼熙
发明人
何灼熙
分类号
B43L11/04
主分类号
B43L11/04
代理机构
代理人
主权项
1﹒一种特制平板及三脚规组成绘椭圆之仪器。2﹒请求专利部份第1项所述之平板,包括各种不同角度的三角板,或任意之平板,其一面上有两条互相垂直之槽,使三脚规之主臂和副臂能在槽中自由滑动者。3﹒请求专利部份第1项所述之三脚规,包括三双可装上笔尖或笔针之支臂者。
地址
台北巿松江路131号501D室
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