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发明名称
Registriervorrichtung zum Aufzeichnen von Wechselspannungen
摘要
申请公布号
DE970573(C)
申请公布日期
1958.10.02
申请号
DE1954H021892
申请日期
1954.10.24
申请人
FRITZ HELLIGE & CO. G.M.B.H.
发明人
SCHAEDER DR. PHIL. JOHANN ALBRECHT;WOLFF DR. PHIL. HELMUT
分类号
G01R13/04
主分类号
G01R13/04
代理机构
代理人
主权项
地址
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