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发明名称
Negativer Widerstand
摘要
申请公布号
DE615366(C)
申请公布日期
1936.01.30
申请号
DE1929H124333D
申请日期
1929.11.23
申请人
DR. ERICH HABANN;DR. ERICH HABANN
发明人
分类号
H03F3/62
主分类号
H03F3/62
代理机构
代理人
主权项
地址
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