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发明名称
Device for the measurement of the density of pulverulent or liquid materials
摘要
申请公布号
US3067622(A)
申请公布日期
1962.12.11
申请号
US19590844730
申请日期
1959.10.06
申请人
MARIO BALLESTRA
发明人
BALLESTRA MARIO
分类号
G01N9/06;G01N27/04
主分类号
G01N9/06
代理机构
代理人
主权项
地址
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