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发明名称
Einrichtung zum Auswechseln von Projektionsobjektiven an Bildwerfern
摘要
申请公布号
DE1119552(B)
申请公布日期
1961.12.14
申请号
DE1960V018519
申请日期
1960.04.28
申请人
VEB FEINMESS DRESDEN
发明人
ZEIBIG SIEGFRIED
分类号
G02B1/00
主分类号
G02B1/00
代理机构
代理人
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地址
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