-
公开(公告)号:US2026574A
公开(公告)日:1936-01-07
申请号:US1962535
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/00
CPC classification number: C22C21/003
-
公开(公告)号:US2026569A
公开(公告)日:1936-01-07
申请号:US1962035
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/02
CPC classification number: C22C21/02
-
公开(公告)号:US2026563A
公开(公告)日:1936-01-07
申请号:US1961435
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/02
CPC classification number: C22C21/02
-
公开(公告)号:US2026560A
公开(公告)日:1936-01-07
申请号:US1961135
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/02
CPC classification number: C22C21/02
-
公开(公告)号:US2026557A
公开(公告)日:1936-01-07
申请号:US1960835
申请日:1935-05-03
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/02
CPC classification number: C22C21/02
-
公开(公告)号:US2026548A
公开(公告)日:1936-01-07
申请号:US68988733
申请日:1933-09-18
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/00
CPC classification number: C22C21/003
-
公开(公告)号:US2026546A
公开(公告)日:1936-01-07
申请号:US68988433
申请日:1933-09-18
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/00
CPC classification number: C22C21/003
-
公开(公告)号:US2026541A
公开(公告)日:1936-01-07
申请号:US68987933
申请日:1933-09-18
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
IPC: C22C21/00
CPC classification number: C22C21/003
-
公开(公告)号:US1986825A
公开(公告)日:1935-01-08
申请号:US68987833
申请日:1933-09-18
Applicant: ALUMINUM CO OF AMERICA
Inventor: KEMPF LOUIS W , DEAN WALTER A
CPC classification number: C22C21/08 , C22C21/003 , C22C21/02
-
公开(公告)号:US1932853A
公开(公告)日:1933-10-31
申请号:US63417132
申请日:1932-09-21
Applicant: ALUMINUM CO OF AMERICA
Inventor: DEAN WALTER A , KEMPF LOUIS W
IPC: C22C21/12
CPC classification number: C22C21/12
-
-
-
-
-
-
-
-
-