Invention Grant
- Patent Title: Electromagnet for separating metals.
- Patent Title (中): 用于分离金属的电磁铁。
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Application No.: US1902093704Application Date: 1902-02-12
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Publication No.: US721490APublication Date: 1903-02-24
- Inventor: YOUNG GEORGE H
- Applicant: YOUNG GEORGE H
- Assignee: George H Young
- Current Assignee: George H Young
- Priority: US1902093704 1902-02-12
Information query
