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发明名称
Method and apparatus for observing bodies through opaque substances
摘要
申请公布号
US2075808(A)
申请公布日期
1937.04.06
申请号
US19300497129
申请日期
1930.11.21
申请人
FLIESS ROBERT A
发明人
FLIESS ROBERT A.
分类号
G01S1/02;G01S19/05;G01S19/07
主分类号
G01S1/02
代理机构
代理人
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