-
公开(公告)号:US1462691A
公开(公告)日:1923-07-24
申请号:US61955723
申请日:1923-02-17
Applicant: EARL HOLLEY
Inventor: LOUIS DOSTAL JOSEPH
IPC: C09C1/52
CPC classification number: C09C1/52
-
公开(公告)号:US1535149A
公开(公告)日:1925-04-28
申请号:US59091322
申请日:1922-09-27
Applicant: EARL HOLLEY
Inventor: LOUIS DOSTAL JOSEPH
IPC: B22C23/02
CPC classification number: B22C23/02
-