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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46/00
Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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B01D46/42
Auxiliary equipment or operation thereof
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B01D46/48
Removing dust other than cleaning filters; , e.g. by using collecting trays
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