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发明名称
COMPASS FOR DRAWING ELLIPSE
摘要
申请公布号
JPH01269599(A)
申请公布日期
1989.10.27
申请号
JP19880098837
申请日期
1988.04.20
申请人
OITATE TAKAYOSHI
发明人
OITATE TAKAYOSHI
分类号
B43L9/00;B43L11/00;B43L11/04
主分类号
B43L9/00
代理机构
代理人
主权项
地址
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