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发明名称
Einrichtung fuer Libellen zur selbsttaetigen Gleichhaltung der Blasengroesse
摘要
申请公布号
DE747060(C)
申请公布日期
1944.09.06
申请号
DE1939D079966D
申请日期
1939.03.07
申请人
DEUTSCHE TELEPHONWERKE UND KABELINDUSTRIE AG.
发明人
WILHELMI DR.-ING. HEINZ
分类号
G01C9/30
主分类号
G01C9/30
代理机构
代理人
主权项
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