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E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
E01B27/06—Renewing or cleaning the ballast in situ, with or without concurrent work on the track
E01B27/08—Renewing or cleaning the ballast in situ, with or without concurrent work on the track the track having been taken-up
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FR811394A1958-11-291959-11-26
Process for extracting ballast from a railway track, and machine for implementing this process
ExpiredFR1241554A
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