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发明名称
Anordning ved Smalfilms-Tonefilmsapparater til Fremføring af Tonefilm.
摘要
申请公布号
DK67338(C)
申请公布日期
1948.08.02
申请号
DK19440003007
申请日期
1944.11.03
申请人
MANFRED WHARTON HAMMERICH
发明人
MANFRED WHARTON HAMMERICH
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主分类号
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