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发明名称
模型(喀斯特地貌)
摘要
底面不常见,省略仰视图。
申请公布号
CN3381863D
申请公布日期
2004.07.28
申请号
CN200330133769.3
申请日期
2003.12.17
申请人
曹恒灿
发明人
曹恒灿
分类号
11-02
主分类号
11-02
代理机构
北京英特普罗知识产权代理有限公司
代理人
齐永红
主权项
地址
511400 广东省番禺市桥镇江南新村一街二座3幢3梯401
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