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摘要
申请公布号
CN3384400D
申请公布日期
2004.08.11
申请号
CN200330112495.X
申请日期
2003.12.18
申请人
于强
发明人
于强
分类号
06-09
主分类号
06-09
代理机构
石家庄冀科专利商标事务所有限公司
代理人
雷秋芬
主权项
地址
065000 河北省廊坊市光明西道234号
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