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发明名称
Densitometer
摘要
申请公布号
US2765662(A)
申请公布日期
1956.10.09
申请号
US19530394258
申请日期
1953.11.25
申请人
AVIATION ENGINEERING DIVISION
发明人
FEIGIN LEON
分类号
G01N9/22
主分类号
G01N9/22
代理机构
代理人
主权项
地址
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