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公开(公告)号:DE1919880A1
公开(公告)日:1970-11-05
申请号:DE1919880
申请日:1969-04-18
Applicant: APPLIED RES LAB INC
Inventor: J LIEBL HELMUT
IPC: H01J37/22 , H01J37/252 , H01J37/256 , H01J49/14
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公开(公告)号:DE1806113A1
公开(公告)日:1969-10-16
申请号:DE1806113
申请日:1968-10-30
Applicant: APPLIED RES LAB INC
Inventor: A ANDERSEN CHRISTIAN , J LIEBL HELMUT
IPC: G01N23/225 , G01N27/62 , H01J37/252 , H01J49/14 , H01J39/34
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