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发明名称
Photographisches Material
摘要
申请公布号
AT272828(B)
申请公布日期
1969.07.25
申请号
AT19640004006
申请日期
1964.05.06
申请人
BELL & HOWELL COMPANY
发明人
分类号
G03C
主分类号
G03C
代理机构
代理人
主权项
地址
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