-
公开(公告)号：US2670309A
公开(公告)日：1954-02-23
申请号：US17201450
申请日：1950-07-03
Applicant: ALUMINUM CO OF AMERICA
Inventor： MCCLINTOCK THOMAS I , HURST ALVIN L
IPC: C22C21/00
CPC classification number: C22C21/00
Search Results
1
records
(took 0.013 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
