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发明名称
球阀(3片式)
摘要
申请公布号
CN300755072D
申请公布日期
2008.03.12
申请号
CN200730106900.5
申请日期
2007.05.14
申请人
河北沧州天工不锈钢制品有限公司
发明人
德国利
分类号
23-01
主分类号
23-01
代理机构
代理人
主权项
地址
061001河北省沧州市运河区南陈屯乡良官屯村西光德阀业
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