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防毒面具
摘要
右视图与左视图对称,省略右视图。
申请公布号
CN3669563D
申请公布日期
2007.07.11
申请号
CN200630009440.X
申请日期
2006.04.13
申请人
DK株式会社
发明人
郑贞大
分类号
29-02
主分类号
29-02
代理机构
北京润平知识产权代理有限公司
代理人
周建秋;王凤桐
主权项
地址
韩国首尔
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