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发明名称
混凝土单面空心砖
摘要
右视图与左视图相同,省略右视图。后视图与主视图相同,省略后视图。
申请公布号
CN3223310D
申请公布日期
2002.02.13
申请号
CN01333907.9
申请日期
2001.06.26
申请人
王昌庆
发明人
王昌庆
分类号
25-01-B0507
主分类号
25-01-B0507
代理机构
代理人
主权项
地址
221006江苏省徐州市铜山县汉王乡望城村昌安公司
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