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经营范围
发明名称
Dispositif pour la projection ininterrompue d'un film
摘要
申请公布号
FR1097012(A)
申请公布日期
1955.06.28
申请号
FRD1097012
申请日期
1954.02.25
申请人
发明人
TOUILLON JEAN-ARMAND-LUCIEN;OLLIVER CHARLES-WOLFRAN
分类号
G03B21/43
主分类号
G03B21/43
代理机构
代理人
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地址
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