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发明名称
Drehstrom-Vierleiter-Induktionszähler
摘要
申请公布号
AT228330(B)
申请公布日期
1963.07.10
申请号
AT19610002446
申请日期
1961.03.24
申请人
LANDIS & GYR AG.
发明人
DR. FRED TSCHAPPU
分类号
主分类号
代理机构
代理人
主权项
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