Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B30
PRESSES
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B30B
PRESSES IN GENERAL
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1/00
Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
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B30B1/32
by plungers under fluid pressure
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B30B1/323
using low pressure long stroke opening and closing means, and high pressure short stroke cylinder means
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