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经营范围
发明名称
空气止回阀
摘要
主、后视图对称,省略其它视图。
申请公布号
CN300703846D
申请公布日期
2007.10.24
申请号
CN200630022757.7
申请日期
2006.10.20
申请人
雷国才
发明人
雷国才;郭造群
分类号
23-01
主分类号
23-01
代理机构
代理人
主权项
地址
052260河北省晋州市周家庄乡
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