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发明名称
SYSTEME DE PROTECTION DE FILM CINEMATOGRAPHIQUE A MOUVEMENT CONTINU
摘要
申请公布号
BE860990(A1)
申请公布日期
1978.03.16
申请号
BE19770182760
申请日期
1977.11.18
申请人
VIRECO A.G.
发明人
分类号
G03B21/44;G03B41/10;(IPC1-7):G03B/
主分类号
G03B21/44
代理机构
代理人
主权项
地址
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