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1.
公开(公告)号:US3176128A
公开(公告)日:1965-03-30
申请号:US21028762
申请日:1962-06-29
Applicant: STANDARD OIL CO
Inventor: EHRHARDT CHARLES H , MOELLER WARREN H , GRUBB HENRY M
CPC classification number: G01N35/1095 , H01J49/0404 , H01J49/0468 , H01J49/0495
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公开(公告)号:US3103277A
公开(公告)日:1963-09-10
申请号:US82675759
申请日:1959-07-13
Applicant: STANDARD OIL CO
Inventor: EHRHARDT CHARLES H , MOELLER WARREN H , GRUBB HENRY M
CPC classification number: H01J49/0404 , B01L3/505 , H01J49/0468 , Y10T428/12222
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