US PATENT SUBCLASS 105 / 71
.~.~ Spiral

Current as of: June, 1999
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105 /   HD   RAILWAY ROLLING STOCK

26.05  DF  LOCOMOTIVES {24}
67  DF  .~ Spring {5}
71.~.~ Spiral

DEFINITION

Classification: 105/71

(under subclass 67) Locomotives in which a propelling force is derived from a spring or springs of the spiral type.