Batch-type sludge drier

Assignee

• Jwi

Inventors

• David P. McLeod (3 patents)
• David J. Spyker (5 patents)
• Daniel De Haan (3 patents)
• Greg De Haan (1 patents)
• Wesley G. Koops (5 patents)
• James E. Roelofs (1 patents)

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