US PATENT SUBCLASS 169 / 16
.~ Distributing systems

Current as of: June, 1999
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169 /   HD   FIRE EXTINGUISHERS

5  DF  FLUID SYSTEMS {7}
16.~ Distributing systems {2}
17  DF  .~.~> Dry pipe
18  DF  .~.~> Hand controls

DEFINITION

Classification: 169/16

(under subclass 5) Patents, relating to the control of the distribution of fluid through the pipes or branches of the system to the discharge-points and the arrangement of the pipes or outlets.