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发明名称
Method of detecting discontinuities in the reflective properties of surfaces
摘要
申请公布号
US2773253(A)
申请公布日期
1956.12.04
申请号
US19460692851
申请日期
1946.08.24
申请人
PHILCO CORPORATION
发明人
SUNSTEIN DAVID E.
分类号
G01S7/41;G01S13/53
主分类号
G01S7/41
代理机构
代理人
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