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公开(公告)号：US3308530A
公开(公告)日：1967-03-14
申请号：US35151264
申请日：1964-03-12
Applicant: PHILIPS CORP
Inventor： ROBERTO LEVI , IRONS GARY C
CPC classification number: C23F1/38 , B22F3/1134 , B22F3/1146 , B22F2003/247 , B22F2998/10 , C22C1/08 , C23F1/00 , Y10T29/4981 , Y10T29/49812 , Y10T29/49982 , B22F3/26 , B22F3/16 , B22F3/24
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