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发明名称
SCHMALFILMPROJEKTOR
摘要
申请公布号
DE1816609(B2)
申请公布日期
1972.12.21
申请号
DE19681816609
申请日期
1968.12.23
申请人
发明人
分类号
B60C25/132;G03B31/04;(IPC1-7):G03B31/04
主分类号
B60C25/132
代理机构
代理人
主权项
地址
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