-
公开(公告)号：US2545866A
公开(公告)日：1951-03-20
申请号：US71022446
申请日：1946-11-15
Applicant: ALUMINUM CO OF AMERICA
Inventor： WHITZEL RAYMOND T , KING WILLIAM E
IPC: C22C21/00
CPC classification number: C22C21/00 , Y10S72/70 , Y10S428/923 , Y10T428/12
-
公开(公告)号：US1983579A
公开(公告)日：1934-12-11
申请号：US64550832
申请日：1932-12-03
Applicant: ALUMINUM CO OF AMERICA
Inventor： ENNOR WILLIAM T , KING WILLIAM E
IPC: B22D39/00
CPC classification number: B22D39/00
-
Search Results
2
records
(took 0.016 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
