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发明名称
Grammofon pick-up med tonehoved med to stifter.
摘要
申请公布号
DK75184(C)
申请公布日期
1952.12.22
申请号
DK19500003913
申请日期
1950.12.06
申请人
ERIK CARL PETER JENSEN
发明人
ERIK CARL PETER JENSEN
分类号
主分类号
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