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Inventor
TOZUKA ZENZOU
JP
2 patents
Patents
2 patents
US4851618A
Jul 25, 1989
Keyboard
OKI ELECTRIC IND CO LTD
31 citations
87
US5256843A
Oct 26, 1993
Keyboard switch and method of manufacturing the same
OKI ELECTRIC IND CO LTD
20 citations
79