US PATENT SUBCLASS 188 / 60
.~.~ Positive lock

Current as of: June, 1999
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188 /   HD   BRAKES

2 R  DF  VEHICLE {19}
33  DF  .~ Railway {15}
60.~.~ Positive lock

DEFINITION

Classification: 188/60

Brakes that positively stop rotation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

31, and 69.