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发明名称
Interferometer apparatus with measuring grid
摘要
申请公布号
US2648250(A)
申请公布日期
1953.08.11
申请号
US19500193009
申请日期
1950.10.30
申请人
ZOBEL THEODOR W
发明人
ZOBEL THEODOR W.
分类号
G01N21/45
主分类号
G01N21/45
代理机构
代理人
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