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公开(公告)号：US3323882A
公开(公告)日：1967-06-06
申请号：US59936466
申请日：1966-12-06
Applicant: ENGELHARD IND INC
Inventor： ALBERT HENRY J
CPC classification number: H01J1/48 , H01B1/02 , H01J19/30 , H01J2893/002 , Y10T428/12424 , Y10T428/12465 , Y10T428/12806 , Y10T428/12812 , Y10T428/12826 , Y10T428/12861
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