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公开(公告)号：US3335460A
公开(公告)日：1967-08-15
申请号：US50588365
申请日：1965-11-01
Applicant: TESLA NP
Inventor： ZBYNEK RADL
CPC classification number: B28B3/20 , B28B7/42 , H05B6/60 , Y10S425/013
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