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发明名称
护套管
摘要
申请公布号
CN301135643D
申请公布日期
2010.02.10
申请号
CN200930196441.3
申请日期
2009.07.23
申请人
于新江
发明人
于新江
分类号
23-01
主分类号
23-01
代理机构
北京捷诚信通专利事务所
代理人
魏殿绅;庞炳良
主权项
地址
136200吉林省辽源市龙山区新兴街四委十四组
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