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Masao Kanazawa
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Suminoe-ku, Osaka, JP
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last 30 patents
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Patent Grant
Ultrasonic washing machine
Patent number
4,727,734
Issue date
Mar 1, 1988
Kanazawa; Masao
Masao Kanazawa
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Patent Grant
Ultrasonic washing machine for tableware
Patent number
4,727,896
Issue date
Mar 1, 1988
Kanazawa; Masao
Masao Kanazawa
B08 - CLEANING