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经营范围
发明名称
Dispositif pour l'avance intermittente d'une bande ou d'un film, notamment dans les dispositifs de lecture pour des micro-bibliothèques photographiées sur des films étroits
摘要
申请公布号
FR1005758(A)
申请公布日期
1952.04.15
申请号
FRD1005758
申请日期
1947.09.19
申请人
发明人
SCHULTES THEO
分类号
G03B1/18
主分类号
G03B1/18
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