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发明名称
阅读卡(工字形)
摘要
“工”字形部分是镂空的。
申请公布号
CN3326352D
申请公布日期
2003.10.01
申请号
CN03303152.5
申请日期
2003.03.03
申请人
季知元
发明人
季知元
分类号
19-08
主分类号
19-08
代理机构
北京三高永信专利代理有限责任公司
代理人
何文彬
主权项
地址
100011北京市朝阳区安华西里三区16号楼南1002号
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