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公开(公告)号:US3358937A
公开(公告)日:1967-12-19
申请号:US50721865
申请日:1965-11-10
Applicant: ALUMINUM CO OF AMERICA
Inventor: ALAN PEARSON , GEORGE MACZURA
IPC: C01F7/02
CPC classification number: C01F7/023
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公开(公告)号:US3397952A
公开(公告)日:1968-08-20
申请号:US49140365
申请日:1965-09-29
Applicant: ALUMINUM CO OF AMERICA
Inventor: GEORGE MACZURA , GITZEN WALTER H
IPC: C01F7/02 , C04B35/107 , C09K3/14
CPC classification number: C09K3/1427 , C01F7/02 , C01P2006/60 , C01P2006/82 , C04B35/107
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