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Tetsuhiko Nakahara
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Nagoya, JP
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last 30 patents
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Patent Grant
Collection header for filtration
Patent number
D490876
Issue date
Jun 1, 2004
Mitsubishi Rayon Co., Ltd.
Hiroyuki Okazaki
D23 - Environmental heating and cooling
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Patent Grant
Collection header pipe for filtration
Patent number
D490497
Issue date
May 25, 2004
Mitsubishi Rayon Co., Ltd.
Hiroyuki Okazaki
D23 - Environmental heating and cooling