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发明名称
方圆字格
摘要
1.省略其它视图。2.设计要点:内圆直径与方格边长之比为黄金分割。
申请公布号
CN3436021D
申请公布日期
2005.03.30
申请号
CN200430047709.4
申请日期
2004.08.07
申请人
孙园岭
发明人
孙园岭
分类号
19-01
主分类号
19-01
代理机构
代理人
主权项
地址
274000 山东省菏泽市牡丹区东方红大街89号
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