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Inventor: Kuga; Yasuo
Address: Mitaka, JP
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4174500 |
Scale plate for measuring instruments |
November 13, 1979 |
| A plurality of measurement readout displays electrically insulated from one another are provided on a plate member, each of which displays is performed by making use of an excitable material which is capable of being visible only upon the application of a voltage thereto. |
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