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发明名称
Posemètre à cellule photo-électrique pour appareil photographique
摘要
申请公布号
FR1122676(A)
申请公布日期
1956.09.11
申请号
FRD1122676
申请日期
1955.02.24
申请人
发明人
ROYET PAUL-FERDINAND
分类号
G01J1/42
主分类号
G01J1/42
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