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发明名称
Appareil d'observation de clichés photographiques à réglage automatique de la lumière suivant la densité des clichés
摘要
申请公布号
FR1491447(A)
申请公布日期
1967.08.11
申请号
FR19660067282
申请日期
1966.06.28
申请人
GAZ DE FRANCE
发明人
RUAULT PIERRE-ANDRE;CAUSIN AMAURY
分类号
G01J1/42
主分类号
G01J1/42
代理机构
代理人
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