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发明名称
Spaanfjerner til Lydoptageapparater.
摘要
申请公布号
DK55742(C)
申请公布日期
1939.01.23
申请号
DKD55742
申请日期
1937.08.16
申请人
TEFI-APPARATEBAU DR. DANIEL K/G
发明人
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主分类号
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