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E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
E01H8/10—Removing undesirable matter from rails, flange grooves, or the like railway parts, e.g. removing ice from contact rails, removing mud from flange grooves
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FR1082582D1953-09-021953-09-02Procédé et dispositifs de réduction de l'usure de pièces métalliques soumises à des frottements
ExpiredFR1082582A
(fr)