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发明名称	比重计
摘要
申请公布号	CN3165742D	申请公布日期	2000.11.08
申请号	CN99309399.X	申请日期	1999.06.16
申请人	饶平县自控设备厂	发明人	余炳炎
分类号	10-04-D0042	主分类号	10-04-D0042
代理机构	汕头专利事务所	代理人	丁楚浩
主权项
地址	515800广东省饶平县黄岗步上路34号

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