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发明名称
Spiegelsystem für Beleuchtungszwecke, insbesondere für photographische Vergrößerungsapparate.
摘要
申请公布号
AT134373(B)
申请公布日期
1933.07.25
申请号
ATD134373
申请日期
1931.06.30
申请人
ERNST REGENTIK
发明人
ERNST REGENTIK
分类号
主分类号
代理机构
代理人
主权项
地址
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