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发明名称
高风压潜孔钻头尾管
摘要
1.主视图与后视图对称,省略后视图。2.俯视图与仰视图对称,省略仰视图。
申请公布号
CN301229706S
申请公布日期
2010.05.26
申请号
CN200930222297.6
申请日期
2009.08.31
申请人
黄石市超力工程塑料研究所
发明人
饶新民
分类号
08-99
主分类号
08-99
代理机构
代理人
主权项
地址
435002 湖北省黄石市延安路199号
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