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发明名称
Schaltungsanordnung zum elektronischen Umschalten der Polaritaet und zum AEndern des Betrages einer Vergleichsspannung, insbesondere fuer Digitalvoltmeter
摘要
申请公布号
DE1231755(B)
申请公布日期
1967.01.05
申请号
DE196400B7217
申请日期
1964.06.12
申请人
BOELKOW GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
发明人
LANG DIPL.-ING. ALBIN
分类号
H03M1/00
主分类号
H03M1/00
代理机构
代理人
主权项
地址
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