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发明名称
Filmprojektor mit Rückspulung des Films außerhalb des zur Projektion benutzten Filmkanals
摘要
申请公布号
AT286109(B)
申请公布日期
1970.11.25
申请号
AT19650010107
申请日期
1965.11.09
申请人
BELL & HOWELL COMPANY
发明人
分类号
G03B21/43;(IPC1-7):G03B21/34
主分类号
G03B21/43
代理机构
代理人
主权项
地址
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