POWDERING JAPAN, K.K.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5937539 Dual-purpose combuster for ordinary combustion and pulse combustionExpiredNov 13, 97Aug 17, 99[F26B]
5867921 Fluidized bed apparatus for drying or cooling of powder and a process for drying or cooling powder with the sameExpiredAug 28, 97Feb 09, 99[F26B]

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