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发明名称
Density measuring device
摘要
申请公布号
US2647395(A)
申请公布日期
1953.08.04
申请号
US19510214716
申请日期
1951.03.09
申请人
JAMES SMITH STANLEY;WEBER JR THEODORE
发明人
SMITH STANLEY JAMES;JR. THEODORE WEBER,
分类号
G01N9/20
主分类号
G01N9/20
代理机构
代理人
主权项
地址
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