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经营范围
发明名称
Density meter
摘要
申请公布号
US2644329(A)
申请公布日期
1953.07.07
申请号
US19440565512
申请日期
1944.11.28
申请人
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
发明人
REDFIELD ALFRED C.
分类号
G01N9/26
主分类号
G01N9/26
代理机构
代理人
主权项
地址
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