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Osamu Mase
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Hamamatsu, JP
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last 30 patents
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Patent Grant
Portable facsimile equipment and the cover body closing device
Patent number
4,833,547
Issue date
May 23, 1989
Nissei Opto Co., Ltd.
Osamu Mase
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES