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发明名称
Einrichtung zum Aufzeichnen einer massstabaehnlich unterteilten Zeitmarkierung bei Oszillographen
摘要
申请公布号
DE723844(C)
申请公布日期
1942.08.12
申请号
DE1940S140157D
申请日期
1940.02.14
申请人
SIEMENS & HALSKE AG.
发明人
HAERTEL DR.-ING. WOLFGANG
分类号
G01R13/30
主分类号
G01R13/30
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代理人
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