Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B02
CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
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B02C
CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
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13/00
Disintegrating by mills having rotary beater elements; ; Hammer mills
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B02C13/20
with two or more co-operating rotors
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