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Progress indicator for a washing machine
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Patent number 4,803,854
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Issue date Feb 14, 1989
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Sharp Kabushiki Kaisha
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Koji Kikuchi
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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Control apparatus
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Patent number 4,679,135
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Issue date Jul 7, 1987
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The Japan Tobacco & Salt Public Corporation
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Takeshi Kobayashi
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G05 - CONTROLLING REGULATING
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3474823
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Patent number 3,474,823
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Issue date Oct 28, 1969
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G05 - CONTROLLING REGULATING
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3171114
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Patent number 3,171,114
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Issue date Feb 23, 1965
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G07 - CHECKING-DEVICES