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Multitubular rotary heat exchanger
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Patent number 11,300,357
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Issue date Apr 12, 2022
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Yoshino Gypsum Co., Ltd.
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Tomonori Yoshida
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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2848209
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Patent number 2,848,209
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Issue date Aug 19, 1958
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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2848210
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Patent number 2,848,210
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Issue date Aug 19, 1958
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES