Patent search ap:("SMITH CORP A O") AND inv:"RYBECK TORSTEN A" Page 1

1.

发明授权
Deburring machine 失效

公开(公告)号：US2722028A

公开(公告)日：1955-11-01

申请号：US32651852

申请日：1952-12-17

Applicant: SMITH CORP A O

Inventor： LYNCH HENRY L , RYBECK TORSTEN A

IPC: B24B9/00

CPC classification number: B24B9/00 , Y10T29/44 , Y10T409/3042 , Y10T409/306664

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