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发明名称
Verfahren und Vorrichtung zum Einpressen einer Einlage in das Mittelloch von Schallplatten
摘要
申请公布号
DE831328(C)
申请公布日期
1952.02.14
申请号
DE1950H002642
申请日期
1950.05.04
申请人
ERNST HAEBIG
发明人
HAEBIG ERNST
分类号
G11B3/70
主分类号
G11B3/70
代理机构
代理人
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地址
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