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Class Information
Number: 29/16
Name: Metal working > Railway-chair making
Description: Process or apparatus for manufacturing a metal block intended to support and hold a railway track with respect to a crosstie.










Patents under this class:

Patent Number Title Of Patent Date Issued
6624424 VUV laser beam characterization system Sep. 23, 2003
6442824 Compromise rail Sep. 3, 2002
RE32894 Railway tie plate and a method of making a railway tie plate Mar. 28, 1989
4141500 Railway tie plate and a method of making a railway tie plate Feb. 27, 1979
4055877 Method of manufacturing a cathode ray tube Nov. 1, 1977











 
 
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