US PATENT SUBCLASS 213 / 42
.~.~ Tension


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

7  DF  CUSHIONED {9}
40 R  DF  .~ Springs {6}
42.~.~ Tension


DEFINITION

Classification: 213/42

(under subclass 40) Devices wherein the springs are tension springs.