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经营范围
发明名称
Appareil pour l'examen et la lecture des microfilms
摘要
申请公布号
FR976663(A)
申请公布日期
1951.03.21
申请号
FRD976663
申请日期
1948.09.29
申请人
发明人
SINTOT WILLIAM;MILLERET RENE;GUYE RENE
分类号
G02B27/02
主分类号
G02B27/02
代理机构
代理人
主权项
地址
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