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公开(公告)号:US3098710A
公开(公告)日:1963-07-23
申请号:US82749859
申请日:1959-07-16
Applicant: STORA KOPPARBERGS BERGSLAGS AB
Inventor: AHLBORG NILS KNUT G , CEDERQUIST KARL N
IPC: C01D5/14
CPC classification number: C01D5/14 , Y10S423/03
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公开(公告)号:US3073672A
公开(公告)日:1963-01-15
申请号:US1994760
申请日:1960-04-04
Applicant: STORA KOPPARBERGS BERGSLAGS AB
Inventor: CEDERQUIST KARL N
IPC: D21C11/12
CPC classification number: D21C11/125 , Y10S423/03
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