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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
E01B27/11—Renewing or cleaning the ballast in situ, with or without concurrent work on the track combined with concurrent renewal of track components
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FR1172631D1956-03-031957-02-20
Method of repairing railway tracks and installation for its implementation
ExpiredFR1172631A
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