US PATENT SUBCLASS 213 / 223
.~.~ Fluid

Current as of: June, 1999
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213 /   HD   RAILWAY DRAFT APPLIANCES

220  DF  CAR-END BUMPERS OR BUFFERS {1}
221  DF  .~ Resilient {2}
223.~.~ Fluid

DEFINITION

Classification: 213/223

Wherein devices of the class indicated the buffer is supported by a fluid cushion.