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公开(公告)号：US2939796A
公开(公告)日：1960-06-07
申请号：US71461458
申请日：1958-02-11
Applicant: STORA KOPPARBERGS BERGSLAGS AB
Inventor： HERMANN WOLFF HANS , LENNART PETTERSSON SVEN TORSTE
IPC: C22C32/00
CPC classification number: C22C32/00 , C04B35/117 , C04B35/5626 , C04B2235/3206 , C04B2235/3217 , C04B2235/3418 , C04B2235/3839 , C04B2235/3847
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