Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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B01L
CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
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2400/00
Moving or stopping fluids
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B01L2400/08
Regulating or influencing the flow resistance
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B01L2400/082
Active control of flow resistance, e.g. flow controllers
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