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摘要
申请公布号
CN3092479D
申请公布日期
1998.12.02
申请号
CN97330303.4
申请日期
1997.12.05
申请人
李世昌
发明人
李世昌
分类号
19-08-S0694
主分类号
19-08-S0694
代理机构
中国科学院沈阳专利事务所
代理人
许宗富
主权项
地址
110015辽宁省沈阳市沈河区文化路二段六号25栋463
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