IPC Subgroup
B27M 3/14 of railroad sleepers
Introduced: September 1968
Last revised: January 2006
Full Title
Manufacture or reconditioning of specific semi-finished or finished articles > of railroad sleepers
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- Subclass:
- WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
Related Keywords
making wooden SLEEPERS