-
公开(公告)号:US3091139A
公开(公告)日:1963-05-28
申请号:US2086260
申请日:1960-04-08
Applicant: FORDEES CORP
Inventor: ROLAND JACKSON WILLIAM
IPC: B21J9/04
CPC classification number: B21J9/04
公开(公告)号:US3091139A
公开(公告)日:1963-05-28
申请号:US2086260
申请日:1960-04-08
Applicant: FORDEES CORP
Inventor: ROLAND JACKSON WILLIAM
IPC: B21J9/04
CPC classification number: B21J9/04