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发明名称
Dispositif pour expériences d'optique
摘要
申请公布号
FR1013579(A)
申请公布日期
1952.07.30
申请号
FRD1013579
申请日期
1950.01.31
申请人
发明人
GROSRENAUD LEON-VICTOR-DANIEL
分类号
G09B23/22
主分类号
G09B23/22
代理机构
代理人
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