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Electronic scale system
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Patent number 4,901,237
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Issue date Feb 13, 1990
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Ishida Scales Mfg. Co., Ltd.
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Michiyasu Hikita
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G06 - COMPUTING CALCULATING COUNTING
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Weighing system
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Patent number 4,724,306
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Issue date Feb 9, 1988
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Ishida Scales Mfg. Co., Ltd.
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Takashi Kitaoka
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G06 - COMPUTING CALCULATING COUNTING
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Coin counter
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Patent number 4,646,767
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Issue date Mar 3, 1987
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Kabushiki Kaisha Ishida Koki Seisakusho
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Michiyasu Hikita
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G07 - CHECKING-DEVICES
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