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Dust collecting system
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Patent number 8,734,578
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Issue date May 27, 2014
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Panasonic Corporation
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Tadashi Miki
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F24 - HEATING RANGES VENTILATING
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Monitoring system
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Patent number 7,385,496
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Issue date Jun 10, 2008
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Matsushita Electric Industrial Co., Ltd.
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Hiroyuki Ogino
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G08 - SIGNALLING
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Method of managing storage medium
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Patent number 5,214,781
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Issue date May 25, 1993
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Matsushita Electric Industrial Co., Ltd.
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Tadashi Miki
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G06 - COMPUTING CALCULATING COUNTING
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