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发明名称
Frame for photographic slides
摘要
Frame for photographic slides, the frame having, on only one side of the slide to be inserted, a protective cover which is transparent at least in the region of the image cut-out.
申请公布号
DE3700877(A1)
申请公布日期
1988.07.28
申请号
DE19873700877
申请日期
1987.01.14
申请人
PHILIPP,HANS JUERGEN
发明人
JUERGEN PHILIPP,HANS
分类号
G03B21/64;(IPC1-7):G03B21/64;G03D15/10
主分类号
G03B21/64
代理机构
代理人
主权项
地址
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