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公开(公告)号：US1630361A
公开(公告)日：1927-05-31
申请号：US51102121
申请日：1921-10-28
Applicant: ALUMINUM CO OF AMERICA
Inventor： STAY THERON D , TESSIER CHARLES O
IPC: C22B7/00
CPC classification number: C22B7/003 , Y02P10/212 , Y10S266/901
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公开(公告)号：US1679385A
公开(公告)日：1928-08-07
申请号：US7032225
申请日：1925-11-20
Applicant: ALUMINUM CO OF AMERICA
Inventor： STAY THERON D , TESSIER CHARLES O
CPC classification number: C22B21/0092 , C22B7/00 , Y02P10/218 , Y10S266/901
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