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经营范围
发明名称
高温法兰球阀
摘要
申请公布号
CN3212644D
申请公布日期
2001.12.05
申请号
CN01311706.8
申请日期
2001.04.12
申请人
龚仁荣
发明人
龚仁荣
分类号
23-01-V0014
主分类号
23-01-V0014
代理机构
代理人
主权项
地址
317610浙江省玉环县干江镇下栈台村
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