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发明名称
Vorrichtung zur Erzeugung mechanischer Schwingungen
摘要
申请公布号
DE748409(C)
申请公布日期
1944.11.02
申请号
DED748409D
申请日期
1940.03.29
申请人
发明人
BURKHARDT DR.-ING. ERNST
分类号
B06B1/06
主分类号
B06B1/06
代理机构
代理人
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