Invention Grant
- Patent Title: Fusion marking of metal articles
- Patent Title (中): 金属文章的融合标记
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Application No.: US3506801DApplication Date: 1968-05-23
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Publication No.: US3506801APublication Date: 1970-04-14
- Inventor: SMITH WALTER MICHAEL
- Applicant: JONES & LAUGHLIN STEEL CORP
- Assignee: Jones & Laughlin Steel Corp
- Current Assignee: Jones & Laughlin Steel Corp
- Priority: US73147568 1968-05-23
- Main IPC: B23K9/04
- IPC: B23K9/04 ; B23K28/02
Information query
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