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公开(公告)号:US2929947A
公开(公告)日:1960-03-22
申请号:US41093454
申请日:1954-02-17
Applicant: ELEKTROPHYSIKALISCHE ANSTALT
Inventor: BERNHARD BERGHAUS , HANS BUCEK
CPC classification number: H01J37/32577 , H01J17/04
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2.
公开(公告)号:US2916409A
公开(公告)日:1959-12-08
申请号:US62416956
申请日:1956-11-23
Applicant: ELEKTROPHYSIKALISCHE ANSTALT
Inventor: HANS BUCEK
CPC classification number: C22B4/00 , C23C8/36 , C23C8/38 , F41A21/22 , H01J37/32018 , Y10S148/903 , Y10S422/906
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