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发明名称
PERFECTIONNEMENTS AUX APPAREILS UTILISANT DES FILMS CINEMATOGRAPHIQUES A PISTES MAGNETIQUES MARGINALES
摘要
申请公布号
BE860401(A1)
申请公布日期
1978.03.01
申请号
BE19770182278
申请日期
1977.11.03
申请人
DELVAUX ROBERT
发明人
分类号
G03B31/02;(IPC1-7):G11B/
主分类号
G03B31/02
代理机构
代理人
主权项
地址
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