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发明名称
Châssis échangeur pour diapositives
摘要
申请公布号
FR1520779(A)
申请公布日期
1968.04.12
申请号
FR19670094234
申请日期
1967.02.09
申请人
发明人
PHILIPP HANS-JUERGEN
分类号
G03B21/64
主分类号
G03B21/64
代理机构
代理人
主权项
地址
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