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发明名称
公路丁字路口立交枢纽模型
摘要
省略其它视图。
申请公布号
CN3208110D
申请公布日期
2001.11.07
申请号
CN00303730.4
申请日期
2000.03.01
申请人
宋长珊;宋长硕;宋玛丽
发明人
宋长珊;宋长硕;宋玛丽
分类号
10-06-M0055
主分类号
10-06-M0055
代理机构
代理人
主权项
地址
100052北京市宣武区米市胡同
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