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经营范围
发明名称
活瓣式氧气瓶阀(CGA580D)
摘要
申请公布号
CN3289115D
申请公布日期
2003.04.16
申请号
CN02347212.X
申请日期
2002.09.06
申请人
上海气体阀门总厂
发明人
薄建忠
分类号
23-01
主分类号
23-01
代理机构
上海世贸专利代理有限责任公司
代理人
严新德
主权项
地址
200949上海市宝山区新川沙路617号
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