Invention Grant
- Patent Title: Testing device
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Application No.: US46673230Application Date: 1930-07-09
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Publication No.: US1869884APublication Date: 1932-08-02
- Inventor: CURTIS AUSTEN M
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US46673230 1930-07-09
- Main IPC: G01N3/06
- IPC: G01N3/06
Information query
