Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F03
MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
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F03C
POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
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1/00
Reciprocating-piston liquid engines
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F03C1/02
with multiple-cylinders, characterised by the number or arrangement of cylinders
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F03C1/06
with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
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F03C1/0602
Component parts, details
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F03C1/0605
Adaptations of pistons
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