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发明名称
钻头（方孔）
摘要
申请公布号
CN3505792D
申请公布日期
2006.02.15
申请号
CN200530104272.8
申请日期
2005.03.10
申请人
张 华
发明人
张 华
分类号
08-01
主分类号
08-01
代理机构
杭州九洲专利事务所有限公司
代理人
翁霁明
主权项
地址
314107浙江省嘉善县干窑镇新路35号易家五金公司
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