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发明名称
Zweizonenfilter mit kontaktelektrischer Aufladung
摘要
申请公布号
DE1007296(B)
申请公布日期
1957.05.02
申请号
DE1955F018987
申请日期
1955.12.05
申请人
DR.-ING. EUGEN FEIFEL;DR.-ING. RUDOLF PROCHAZKA
发明人
FEIFEL DR.-ING. EUGEN;PROCHAZKA DR.-ING. RUDOLF
分类号
B03C3/30
主分类号
B03C3/30
代理机构
代理人
主权项
地址
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