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发明名称
Einrichtung zur selbsttaetigen UEberwachung niedriger Frequenzen
摘要
申请公布号
DE953724(C)
申请公布日期
1956.12.06
申请号
DE1953S033721
申请日期
1953.06.06
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
FEITH DR.-ING. ERWIN
分类号
B66B1/12
主分类号
B66B1/12
代理机构
代理人
主权项
地址
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