US PATENT SUBCLASS 213 / 43
.~.~ Fluid

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

7  DF  CUSHIONED {9}
40 R  DF  .~ Springs {6}
43.~.~ Fluid

DEFINITION

Classification: 213/43

Wherein devices of the class indicated the spring is the compression of a pneumatic fluid or dashpot action of a liquid fluid.