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发明名称
Verfahren zur Herstellung und Wiedergabe von Schwingungstraegern
摘要
申请公布号
DE632957(C)
申请公布日期
1936.07.16
申请号
DE1934ST52023D
申请日期
1934.03.28
申请人
FRIEDRICH WILHELM STEIN
发明人
分类号
G11B3/00;G11B17/02
主分类号
G11B3/00
代理机构
代理人
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地址
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