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发明名称
空心砖(4)
摘要
1.俯视图与仰视图对称,故省略仰视图。2.要求保护色彩。
申请公布号
CN3314358D
申请公布日期
2003.08.13
申请号
CN02375129.0
申请日期
2002.12.03
申请人
周南湘
发明人
周南湘
分类号
25-01
主分类号
25-01
代理机构
代理人
主权项
地址
117100辽宁省本溪县耐火材料厂
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