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Verfahren zum Herstellen von Blenden geringen Durchmessers

申请公布号:DE910945(C)

申请号:DE1940A002144D

申请日期:1940.01.16

申请公布日期:1954.05.10

申请人:
MANFRED VON ARDENNE

发明人:ARDENNE MANFRED VON

分类号:H01J29/02

主分类号:H01J29/02

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