Invention Application
- Patent Title: MULTIPLE BROACHING MARKS ON RULES
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Application No.: US15472045Application Date: 2017-03-28
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Publication No.: US20170197239A1Publication Date: 2017-07-13
- Inventor: Kyong Chan Lim
- Applicant: SEOUL LASER DIEBOARD SYSTEM CO., LTD.
- Main IPC: B21D11/22
- IPC: B21D11/22 ; G09F7/16 ; B23D37/00
Abstract:
Methods and apparatus for making multiple broaching marks on the rules.
Information query
