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经营范围
发明名称
内螺纹直通管道
摘要
本外观设计后视图与主视图相同,省略后视图;右视图与左视图相同,省略右视图。
申请公布号
CN300901292D
申请公布日期
2009.04.01
申请号
CN200730084820.4
申请日期
2007.12.03
申请人
上海瑞河管业有限公司
发明人
陈小光;尹 惠
分类号
23-01
主分类号
23-01
代理机构
代理人
主权项
地址
201402上海市奉贤区邬桥镇相计村五组46号C室
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