Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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B01D
SEPARATION
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Filters with filtering elements which move during the filtering operation
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B01D33/15
with rotary plane filtering surfaces
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B01D33/21
with hollow filtering discs transversely mounted on a hollow rotary shaft
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B01D33/215
the filtering discs being fixed inwardly on a rotating construction
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