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发明名称
卧式止回阀
摘要
主要创作部位在于阀体中间部位的圆形和外形两侧带圆弧的长方形凸块以及两端八角锁紧帽连接的塑料(PP-R)所组成整体的阀门外形。
申请公布号
CN301078850D
申请公布日期
2009.12.09
申请号
CN200930002292.2
申请日期
2009.02.19
申请人
董服义
发明人
董服义
分类号
23-01
主分类号
23-01
代理机构
代理人
主权项
地址
317600浙江省玉环县城关镇鳝湾
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