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发明名称
Anordnung an photographischen Apparaten zur selbsttätigen Regelung der Belichtung.
摘要
申请公布号
AT136111(B)
申请公布日期
1934.01.10
申请号
ATD136111
申请日期
1931.10.22
申请人
DR. OEDOEN RISZDORFER
发明人
DR. OEDOEN RISZDORFER
分类号
主分类号
代理机构
代理人
主权项
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