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发明名称
Verfahren zur Fuellung von Libellen
摘要
申请公布号
DE756694(C)
申请公布日期
1953.01.19
申请号
DE1939D081524D
申请日期
1939.11.19
申请人
DEUTSCHE TELEPHONWERKE;KABELINDUSTRIE A. G.
发明人
SCHUHMANN WILHELM
分类号
G01C5/00;G01C9/24;G01C9/30
主分类号
G01C5/00
代理机构
代理人
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