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公开(公告)号:US2945293A
公开(公告)日:1960-07-19
申请号:US62197356
申请日:1956-11-13
申请人: LAST GEORGE A
发明人: LAST GEORGE A
CPC分类号: B23K20/02 , G21C3/10 , G21F7/065 , Y02E30/40 , Y10T29/49808 , Y10T29/49918 , Y10T29/49934 , Y10T29/49936
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2.
公开(公告)号:US3346673A
公开(公告)日:1967-10-10
申请号:US50886765
申请日:1965-11-19
申请人: LAST GEORGE A , KEMPER JR ROBERT S
发明人: LAST GEORGE A , KEMPER JR ROBERT S
CPC分类号: B22F9/10 , B22F2999/00 , C22C32/0052 , C22C43/00 , G21C3/60 , Y02E30/38 , B22F2201/12
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