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发明名称
绘图模板
摘要
1.省略其它视图。2.本绘图板为透明材料制成,利用图上的模槽,可作30°、45°、60°的剖面线。
申请公布号
CN3012911S
申请公布日期
1992.03.18
申请号
CN91304083.5
申请日期
1991.09.24
申请人
罗正宇
发明人
罗正宇
分类号
19-06
主分类号
19-06
代理机构
航空工业部南方专利事务所
代理人
李翠梅; 毛华学
主权项
地址
412000湖南省株洲608所二室
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