| 发明名称 |
空心砖或砌块（1） |
| 摘要 |
省略其它视图。 |
| 申请公布号 |
CN3326694D |
申请公布日期 |
2003.10.01 |
| 申请号 |
CN03313907.5 |
申请日期 |
2003.03.12 |
| 申请人 |
兰州沙井驿建筑材料工业公司 |
发明人 |
刘桐厚;宁衍林;周彦贵;姬广庆 |
| 分类号 |
25-01 |
主分类号 |
25-01 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
730079甘肃省兰州市安宁区元台子446号 |
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