B
PERFORMING OPERATIONS; TRANSPORTING
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B22
CASTING; POWDER METALLURGY
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B22D
CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
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B22D18/00
Pressure casting; Vacuum casting
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B22D18/04
Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
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