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发明名称
Anordning ved grammofoner til rensning af en i pick-up'en siddende nål.
摘要
申请公布号
DK78148(C)
申请公布日期
1954.09.20
申请号
DK19510002403
申请日期
1951.08.10
申请人
HANS ZIIRSEN
发明人
HANS ZIIRSEN
分类号
主分类号
代理机构
代理人
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