-
公开(公告)号:US3201964A
公开(公告)日:1965-08-24
申请号:US25277063
申请日:1963-01-21
Applicant: DETROIT TAP & TOOL COMPANY
Inventor: FRITZ WALTERS
IPC: B21H3/04
CPC classification number: B21H3/04
公开(公告)号:US3201964A
公开(公告)日:1965-08-24
申请号:US25277063
申请日:1963-01-21
Applicant: DETROIT TAP & TOOL COMPANY
Inventor: FRITZ WALTERS
IPC: B21H3/04
CPC classification number: B21H3/04