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公开(公告)号:US3041263A
公开(公告)日:1962-06-26
申请号:US70091857
申请日:1957-12-05
Applicant: KIEHN ROBERT M , PERCIVAL KING L D , PETERSON ROLF E , SWICKARD JR EARL O
Inventor: KIEHN ROBERT M , PERCIVAL KING L D , PETERSON ROLF E , SWICKARD JR EARL O
CPC classification number: G21C3/52 , G21C1/02 , G21C1/22 , G21Y2002/201 , G21Y2004/30 , Y02E30/34 , Y02E30/38 , Y10S376/901 , Y10S376/904