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发明名称
法兰闸阀(十二孔凹凸轮廓型)
摘要
右视图与左视图对称,省略右视图,后视图与主视图对称,省略后视图。
申请公布号
CN3420313D
申请公布日期
2005.01.19
申请号
CN200430025693.7
申请日期
2004.06.25
申请人
方吉全
发明人
方吉全
分类号
23-01
主分类号
23-01
代理机构
天津市三利专利商标代理有限公司
代理人
闫俊芬
主权项
地址
300353 天津市津南区小站镇大站阀门总厂
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