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发明名称
多功能制图板
摘要
后视图与主视图对称,右视图与左视图相同,仰视图与俯视图相同,省略后视图、右视图、仰视图。
申请公布号
CN3147053D
申请公布日期
2000.05.03
申请号
CN99335066.6
申请日期
1999.09.03
申请人
李世英
发明人
李世英
分类号
19-06-D0253
主分类号
19-06-D0253
代理机构
代理人
主权项
地址
522000广东省揭阳市榕城区上义村揭阳市国土局榕城分局
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