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Class Information
Number: 238/31
Name: Railways: surface track > Ties > Forms > Jointed
Description: The ties have joints in the tie-body between the rails.










Sub-classes under this class:

Class Number Class Name Patents
238/32 Hinged 2
238/33 Pivoted ends 2


Patents under this class:

Patent Number Title Of Patent Date Issued
4221330 Center butt tie connector Sep. 9, 1980











 
 
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