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发明名称
Projecteur automatique pour microfilms
摘要
申请公布号
FR912415(A)
申请公布日期
1946.08.08
申请号
FRD912415
申请日期
1945.02.23
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
G03B21/11
主分类号
G03B21/11
代理机构
代理人
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