US PATENT SUBCLASS 186 / 34
.~.~.~ Track
Current as of: June, 1999
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DEFINITION
Classification: 186/34
Track accessories and elementary parts not otherwise classifiable.
SEE OR SEARCH CLASS
104, Railways,
112, 124 and 189.
212, Traversing Hoists,
71, and indented subclasses.
246, Railway Switches and Signals,
415,.