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发明名称
Perfectionnements aux instruments mesurant ou transmettant les différences de surface ou de position d'un corps
摘要
申请公布号
FR843506(A)
申请公布日期
1939.07.05
申请号
FRD843506
申请日期
1938.09.15
申请人
CARL ZEISS
发明人
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主分类号
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