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公开(公告)号：US3372445A
公开(公告)日：1968-03-12
申请号：US48772565
申请日：1965-09-16
Applicant: TESLA NP
Inventor： KAREL MAURER , JINDRICH HIRSL , LADISLAV BENDA , HRADEC KRALOVE , JUDA STERNKUKER
IPC: B28B3/20
CPC classification number: B28B3/20 , B28B3/2654 , Y10S425/013
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