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Vacuum drying apparatus
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Patent number 5,377,425
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Issue date Jan 3, 1995
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Nikku Industry Co., Ltd.
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Osamu Kawakami
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F26 - DRYING
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Vacuum drying apparatus
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Patent number 5,293,697
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Issue date Mar 15, 1994
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Nikku Industry Co., Ltd.
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Osamu Kawakami
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F26 - DRYING
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Heating apparatus
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Patent number 4,207,064
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Issue date Jun 10, 1980
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Nikku Industry Co., Ltd.
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Toru Taniguchi
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F27 - FURNACES KILNS OVENS RETORTS
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Tank for pitch impregnation therein
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Patent number 4,098,428
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Issue date Jul 4, 1978
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Nikku Industry Co., Ltd.
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Toru Taniguchi
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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