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1.
公开(公告)号:US3408521A
公开(公告)日:1968-10-29
申请号:US50911265
申请日:1965-11-22
Applicant: STANFORD RESEARCH INST
Inventor: DORE BURNELL V , GEPPERT DONOVAN V
IPC: H01J1/34
CPC classification number: H01J1/34 , H01J2201/3423 , Y10S148/064 , Y10S148/072 , Y10S148/119 , Y10S148/12 , Y10S148/15